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BOSTON MARATHON 2026

Jacqueline James

Bib: 27539•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
36:39
3.11 mi
Rank: #28715
Start → 5K
36:39 | 11:48/mi
10K
1:12:20
6.21 mi
Rank: #28504 (+211)
5K → 10K
35:41 | 11:30/mi
15K
1:49:12
9.32 mi
Rank: #28423 (+81)
10K → 15K
36:52 | 11:52/mi
20K
2:27:04
12.43 mi
Rank: #28362 (+61)
15K → 20K
37:52 | 12:12/mi
HALF
2:35:23
13.11 mi
Rank: #28368 (-6)
20K → HALF
8:19 | 12:13/mi
25K
3:04:58
15.53 mi
Rank: #28266 (+102)
HALF → 25K
29:35 | 12:12/mi
30K
3:45:04
18.64 mi
Rank: #28169 (+97)
25K → 30K
40:06 | 12:55/mi
20M
4:04:08
20.00 mi
Rank: #28182 (-13)
30K → 20M
19:04 | 14:03/mi
21M
4:20:21
21.00 mi
Rank: #28224 (-42)
20M → 21M
16:13 | 16:13/mi
35K
4:30:40
21.75 mi
Rank: #28237 (-13)
21M → 35K
10:19 | 13:48/mi
23M
4:48:35
23.00 mi
Rank: #28258 (-21)
35K → 23M
17:55 | 14:20/mi
24M
5:02:27
24.00 mi
Rank: #28274 (-16)
23M → 24M
13:52 | 13:52/mi
40K
5:15:23
24.85 mi
Rank: #28304 (-30)
24M → 40K
12:56 | 15:08/mi
25.2M
5:21:15
25.20 mi
Rank: #28328 (-24)
40K → 25.2M
5:52 | 17:01/mi
FINISH
5:35:56
26.22 mi
Rank: #28377 (-49)
25.2M → FINISH
14:41 | 14:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:35:23
Pace11:52 /mi
2nd Half
Distance13.11 mi
Time3:00:33
Pace13:47 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:59:4836:3911:4836:39
11:48
-
10K
6.21 mi12:35:291:12:2011:3935:41
11:30
-0:18
15K
9.32 mi13:12:211:49:1211:4336:52
11:52
+0:22
20K
12.43 mi13:50:132:27:0411:5137:52
12:12
+0:20
HALF
13.11 mi13:58:322:35:2311:528:19
12:13
+0:01
25K
15.53 mi14:28:073:04:5811:5529:35
12:12
-0:01
30K
18.64 mi15:08:133:45:0412:0540:06
12:55
+0:43
20M
20.00 mi15:27:174:04:0812:1319:04
14:03
+1:08
21M
21.00 mi15:43:304:20:2112:2416:13
16:13
+2:10
35K
21.75 mi15:53:494:30:4012:2710:19
13:48
-2:25
23M
23.00 mi16:11:444:48:3512:3317:55
14:20
+0:32
24M
24.00 mi16:25:365:02:2712:3713:52
13:52
-0:28
40K
24.85 mi16:38:325:15:2312:4212:56
15:08
+1:16
25.2M
25.20 mi16:44:245:21:1512:455:52
17:01
+1:53
FINISH
26.22 mi16:59:055:35:5612:5014:41
14:25
-2:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

11:30 /mi

Average Pace

12:49 /mi

Slowest Pace

17:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:45:04

67% of race

Time at Steady Pace

1:15:51

23% of race

Time at Slower Pace

35:01

10% of race

Average Pace: 12:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:59:4836:3911:4836:39
11:48
#28715
10K
6.21 mi12:35:291:12:2011:3935:41
11:30
#28504
15K
9.32 mi13:12:211:49:1211:4336:52
11:52
#28423
20K
12.43 mi13:50:132:27:0411:5137:52
12:12
#28362
HALF
13.11 mi13:58:322:35:2311:528:19
12:13
#28368
25K
15.53 mi14:28:073:04:5811:5529:35
12:12
#28266
30K
18.64 mi15:08:133:45:0412:0540:06
12:55
#28169
20M
20.00 mi15:27:174:04:0812:1319:04
14:03
#28182
21M
21.00 mi15:43:304:20:2112:2416:13
16:13
#28224
35K
21.75 mi15:53:494:30:4012:2710:19
13:48
#28237
23M
23.00 mi16:11:444:48:3512:3317:55
14:20
#28258
24M
24.00 mi16:25:365:02:2712:3713:52
13:52
#28274
40K
24.85 mi16:38:325:15:2312:4212:56
15:08
#28304
25.2M
25.20 mi16:44:245:21:1512:455:52
17:01
#28328
FINISH
26.22 mi16:59:055:35:5612:5014:41
14:25
#28377
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi28715123661236628259(Top 97%)12087(Top 96%)12087(Top 1271%)
10K6.21 mi3.10 mi28504+21112220+14612220+14628218(Top 97%)12045(Top 96%)12045(Top 1267%)
15K9.32 mi3.11 mi28423+8112174+4612174+4628259(Top 97%)12087(Top 96%)12087(Top 1271%)
20K12.43 mi3.11 mi28362+6112138+3612138+3628158(Top 97%)12019(Top 96%)12019(Top 1264%)
HALF13.11 mi0.68 mi28368-612142-412142-428366(Top 98%)12181(Top 97%)12181(Top 1281%)
25K15.53 mi2.42 mi28266+10212079+6312079+6327681(Top 95%)11765(Top 94%)11765(Top 1237%)
30K18.64 mi3.11 mi28169+9712026+5312026+5327646(Top 95%)11802(Top 94%)11802(Top 1241%)
20M20.00 mi1.36 mi28182-1312038-1212038-1228134(Top 97%)12115(Top 96%)12115(Top 1274%)
21M21.00 mi1.00 mi28224-4212065-2712065-2728665(Top 99%)12414(Top 99%)12414(Top 1305%)
35K21.75 mi0.75 mi28237-1312077-1212077-1228246(Top 97%)12222(Top 97%)12222(Top 1285%)
23M23.00 mi1.25 mi28258-2112094-1712094-1728338(Top 98%)12264(Top 98%)12264(Top 1290%)
24M24.00 mi1.00 mi28274-1612110-1612110-1628270(Top 97%)12253(Top 97%)12253(Top 1288%)
40K24.85 mi0.85 mi28304-3012132-2212132-2228508(Top 98%)12374(Top 98%)12374(Top 1301%)
25.2M25.20 mi0.35 mi28328-2412148-1612148-1628731(Top 99%)12486(Top 99%)12486(Top 1313%)
FINISH26.22 mi1.02 mi28377-4912189-4112189-4128757(Top 99%)12484(Top 99%)12484(Top 1313%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21
+97ft-345ft

Overall

28259

Females

12087

F55-59

12087

5K→10K

3.1 - 6.2 mi

Top 97%
×5
+79ft-138ft

Overall

28218

Females

12045

F55-59

12045

10K→15K

6.2 - 9.3 mi

Top 97%
×3
+67ft-78ft

Overall

28259

Females

12087

F55-59

12087

15K→20K

9.3 - 12.4 mi

Top 97%
×5
+106ft-86ft

Overall

28158

Females

12019

F55-59

12019

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28366

Females

12181

F55-59

12181

HALF→25K

13.1 - 15.5 mi

Top 95%
×4
+66ft-88ft

Overall

27681

Females

11765

F55-59

11765

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27646

Females

11802

F55-59

11802

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28134

Females

12115

F55-59

12115

20M→21M

20.0 - 21.0 mi

Top 99%
×8
+106ft-24ft

Overall

28665

Females

12414

F55-59

12414

21M→35K

21.0 - 21.8 mi

Top 97%
×7
+17ft-86ft

Overall

28246

Females

12222

F55-59

12222

35K→23M

21.8 - 23.0 mi

Top 98%
×5
+23ft-63ft

Overall

28338

Females

12264

F55-59

12264

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28270

Females

12253

F55-59

12253

24M→40K

24.0 - 24.9 mi

Top 98%
×1
+6ft-20ft

Overall

28508

Females

12374

F55-59

12374

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1
+13ft-16ft

Overall

28731

Females

12486

F55-59

12486

25.2M→FINISH

25.2 - 26.2 mi

Top 99%
×2
+22ft-21ft

Overall

28757

Females

12484

F55-59

12484

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
721*
Passed By
383
Net Change
+338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28715
5K → 10K222*11+211#28715#28504
10K → 15K10827+81#28504#28423
15K → 20K8726+61#28423#28362
20K → HALF713-6#28362#28368
HALF → 25K1064+102#28368#28266
25K → 30K11316+97#28266#28169
30K → 20M1730-13#28169#28182
20M → 21M951-42#28182#28224
21M → 35K922-13#28224#28237
35K → 23M1839-21#28237#28258
23M → 24M925-16#28258#28274
24M → 40K737-30#28274#28304
40K → 25.2M024-24#28304#28328
25.2M → FINISH958-49#28328#28377
TOTALS721*383+338

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing