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BOSTON MARATHON 2026

Julie Stackhouse

Bib: 22455•F

FL

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0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Masters (Masters Women)
#0 / 6862
Top 26%
Age Group (F45-49)
#0 / 1786
Top 30%
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
25:01
3.11 mi
Rank: #17312
Start → 5K
25:01 | 8:04/mi
10K
48:45
6.21 mi
Rank: #15875 (+1437)
5K → 10K
23:44 | 7:39/mi
15K
1:12:49
9.32 mi
Rank: #15529 (+346)
10K → 15K
24:04 | 7:45/mi
20K
1:36:42
12.43 mi
Rank: #15010 (+519)
15K → 20K
23:53 | 7:42/mi
HALF
1:41:50
13.11 mi
Rank: #14913 (+97)
20K → HALF
5:08 | 7:32/mi
25K
2:01:06
15.53 mi
Rank: #14904 (+9)
HALF → 25K
19:16 | 7:57/mi
30K
2:27:18
18.64 mi
Rank: #15221 (-317)
25K → 30K
26:12 | 8:26/mi
20M
2:38:42
20.00 mi
Rank: #15218 (+3)
30K → 20M
11:24 | 8:24/mi
21M
2:47:38
21.00 mi
Rank: #15225 (-7)
20M → 21M
8:56 | 8:56/mi
35K
2:53:56
21.75 mi
Rank: #15295 (-70)
21M → 35K
6:18 | 8:26/mi
23M
3:04:49
23.00 mi
Rank: #15396 (-101)
35K → 23M
10:53 | 8:42/mi
24M
3:13:17
24.00 mi
Rank: #15471 (-75)
23M → 24M
8:28 | 8:28/mi
40K
3:20:32
24.85 mi
Rank: #15462 (+9)
24M → 40K
7:15 | 8:29/mi
25.2M
3:23:42
25.20 mi
Rank: #15457 (+5)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:31:32
26.22 mi
Rank: #15366 (+91)
25.2M → FINISH
7:50 | 7:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:50
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:49:42
Pace8:23 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4425:018:0425:01
8:04
-
10K
6.21 mi11:50:2848:457:5123:44
7:39
-0:25
15K
9.32 mi12:14:321:12:497:4924:04
7:45
+0:06
20K
12.43 mi12:38:251:36:427:4723:53
7:42
-0:03
HALF
13.11 mi12:43:331:41:507:475:08
7:32
-0:10
25K
15.53 mi13:02:492:01:067:4819:16
7:57
+0:25
30K
18.64 mi13:29:012:27:187:5526:12
8:26
+0:29
20M
20.00 mi13:40:252:38:427:5711:24
8:24
-0:02
21M
21.00 mi13:49:212:47:387:598:56
8:56
+0:32
35K
21.75 mi13:55:392:53:568:006:18
8:26
-0:30
23M
23.00 mi14:06:323:04:498:0310:53
8:42
+0:16
24M
24.00 mi14:15:003:13:178:048:28
8:28
-0:14
40K
24.85 mi14:22:153:20:328:057:15
8:29
+0:01
25.2M
25.20 mi14:25:253:23:428:063:10
9:11
+0:42
FINISH
26.22 mi14:33:153:31:328:057:50
7:42
-1:29

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

7:32 /mi

Average Pace

8:04 /mi

Slowest Pace

9:11 /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

2:08:56

61% of race

Time at Steady Pace

59:37

28% of race

Time at Slower Pace

22:59

11% of race

Average Pace: 8:04 /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 mi11:26:4425:018:0425:01
8:04
#17312
10K
6.21 mi11:50:2848:457:5123:44
7:39
#15875
15K
9.32 mi12:14:321:12:497:4924:04
7:45
#15529
20K
12.43 mi12:38:251:36:427:4723:53
7:42
#15010
HALF
13.11 mi12:43:331:41:507:475:08
7:32
#14913
25K
15.53 mi13:02:492:01:067:4819:16
7:57
#14904
30K
18.64 mi13:29:012:27:187:5526:12
8:26
#15221
20M
20.00 mi13:40:252:38:427:5711:24
8:24
#15218
21M
21.00 mi13:49:212:47:387:598:56
8:56
#15225
35K
21.75 mi13:55:392:53:568:006:18
8:26
#15295
23M
23.00 mi14:06:323:04:498:0310:53
8:42
#15396
24M
24.00 mi14:15:003:13:178:048:28
8:28
#15471
40K
24.85 mi14:22:153:20:328:057:15
8:29
#15462
25.2M
25.20 mi14:25:253:23:428:063:10
9:11
#15457
FINISH
26.22 mi14:33:153:31:328:057:50
7:42
#15366
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi173126093609314910(Top 51%)4690(Top 37%)4690(Top 263%)
10K6.21 mi3.10 mi15875+14375251+8425251+84214255(Top 49%)4274(Top 34%)4274(Top 239%)
15K9.32 mi3.11 mi15529+3465062+1895062+18914910(Top 51%)4690(Top 37%)4690(Top 263%)
20K12.43 mi3.11 mi15010+5194745+3174745+31713639(Top 47%)4015(Top 32%)4015(Top 225%)
HALF13.11 mi0.68 mi14913+974687+584687+5813363(Top 46%)3808(Top 30%)3808(Top 213%)
25K15.53 mi2.42 mi14904+94685+24685+214996(Top 52%)4879(Top 39%)4879(Top 273%)
30K18.64 mi3.11 mi15221-3174935-2504935-25016466(Top 57%)5787(Top 46%)5787(Top 324%)
20M20.00 mi1.36 mi15218+34953-184953-1815531(Top 54%)5373(Top 43%)5373(Top 301%)
21M21.00 mi1.00 mi15225-74994-414994-4115787(Top 54%)5562(Top 44%)5562(Top 311%)
35K21.75 mi0.75 mi15295-705040-465040-4617154(Top 59%)6415(Top 51%)6415(Top 359%)
23M23.00 mi1.25 mi15396-1015125-855125-8516882(Top 58%)6358(Top 51%)6358(Top 356%)
24M24.00 mi1.00 mi15471-755188-635188-6316700(Top 58%)6282(Top 50%)6282(Top 352%)
40K24.85 mi0.85 mi15462+95210-225210-2215565(Top 54%)5711(Top 45%)5711(Top 320%)
25.2M25.20 mi0.35 mi15457+55215-55215-515741(Top 54%)5814(Top 46%)5814(Top 326%)
FINISH26.22 mi1.02 mi15366+915170+455170+4512919(Top 45%)4351(Top 35%)4351(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14910

Females

4690

F45-49

4690

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14255

Females

4274

F45-49

4274

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14910

Females

4690

F45-49

4690

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13639

Females

4015

F45-49

4015

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13363

Females

3808

F45-49

3808

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

14996

Females

4879

F45-49

4879

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16466

Females

5787

F45-49

5787

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15531

Females

5373

F45-49

5373

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15787

Females

5562

F45-49

5562

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17154

Females

6415

F45-49

6415

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16882

Females

6358

F45-49

6358

23M→24M

23.0 - 24.0 mi

Top 58%
×6
+12ft-82ft

Overall

16700

Females

6282

F45-49

6282

24M→40K

24.0 - 24.9 mi

Top 54%
×1
+6ft-20ft

Overall

15565

Females

5711

F45-49

5711

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15741

Females

5814

F45-49

5814

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
×2
+22ft-21ft

Overall

12919

Females

4351

F45-49

4351

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3361*
Passed By
1186
Net Change
+1946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17312
5K → 10K1458*21+1437#17312#15875
10K → 15K419*73+346#15875#15529
15K → 20K535*16+519#15529#15010
20K → HALF1025+97#15010#14913
HALF → 25K143134+9#14913#14904
25K → 30K112200-317#14904#15221
30K → 20M111108+3#15221#15218
20M → 21M111118-7#15218#15225
21M → 35K39109-70#15225#15295
35K → 23M60161-101#15295#15396
23M → 24M48123-75#15396#15471
24M → 40K6960+9#15471#15462
40K → 25.2M3934+5#15462#15457
25.2M → FINISH11524+91#15457#15366
TOTALS3361*1186+1946

* 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing