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BOSTON MARATHON 2026

Pamela Mcdonald

Bib: 21511•F

MI

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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
Top 38%
Age Group (F45-49)
#0 / 1786
Top 50%
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
25:40
3.11 mi
Rank: #18629
Start → 5K
25:40 | 8:16/mi
10K
51:14
6.21 mi
Rank: #18683 (-54)
5K → 10K
25:34 | 8:14/mi
15K
1:16:33
9.32 mi
Rank: #18477 (+206)
10K → 15K
25:19 | 8:09/mi
20K
1:41:41
12.43 mi
Rank: #18068 (+409)
15K → 20K
25:08 | 8:06/mi
HALF
1:47:06
13.11 mi
Rank: #17989 (+79)
20K → HALF
5:25 | 7:57/mi
25K
2:06:51
15.53 mi
Rank: #17713 (+276)
HALF → 25K
19:45 | 8:09/mi
30K
2:33:03
18.64 mi
Rank: #17450 (+263)
25K → 30K
26:12 | 8:26/mi
20M
2:44:56
20.00 mi
Rank: #17456 (-6)
30K → 20M
11:53 | 8:45/mi
21M
2:54:13
21.00 mi
Rank: #17430 (+26)
20M → 21M
9:17 | 9:17/mi
35K
3:00:35
21.75 mi
Rank: #17422 (+8)
21M → 35K
6:22 | 8:31/mi
23M
3:11:32
23.00 mi
Rank: #17386 (+36)
35K → 23M
10:57 | 8:45/mi
24M
3:19:57
24.00 mi
Rank: #17316 (+70)
23M → 24M
8:25 | 8:25/mi
40K
3:27:27
24.85 mi
Rank: #17295 (+21)
24M → 40K
7:30 | 8:47/mi
25.2M
3:30:45
25.20 mi
Rank: #17291 (+4)
40K → 25.2M
3:18 | 9:35/mi
FINISH
3:39:30
26.22 mi
Rank: #17358 (-67)
25.2M → FINISH
8:45 | 8:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:06
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:52:24
Pace8:35 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0025:408:1625:40
8:16
-
10K
6.21 mi11:52:3451:148:1525:34
8:14
-0:02
15K
9.32 mi12:17:531:16:338:1325:19
8:09
-0:05
20K
12.43 mi12:43:011:41:418:1125:08
8:06
-0:03
HALF
13.11 mi12:48:261:47:068:115:25
7:57
-0:09
25K
15.53 mi13:08:112:06:518:1019:45
8:09
+0:12
30K
18.64 mi13:34:232:33:038:1326:12
8:26
+0:17
20M
20.00 mi13:46:162:44:568:1511:53
8:45
+0:19
21M
21.00 mi13:55:332:54:138:189:17
9:17
+0:32
35K
21.75 mi14:01:553:00:358:196:22
8:31
-0:46
23M
23.00 mi14:12:523:11:328:2010:57
8:45
+0:14
24M
24.00 mi14:21:173:19:578:208:25
8:25
-0:20
40K
24.85 mi14:28:473:27:278:217:30
8:47
+0:22
25.2M
25.20 mi14:32:053:30:458:223:18
9:35
+0:48
FINISH
26.22 mi14:40:503:39:308:238:45
8:36
-0:59

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

7:57 /mi

Average Pace

8:23 /mi

Slowest Pace

9:35 /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

1:15:37

34% of race

Time at Steady Pace

1:40:58

46% of race

Time at Slower Pace

42:55

20% of race

Average Pace: 8:22 /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 mi11:27:0025:408:1625:40
8:16
#18629
10K
6.21 mi11:52:3451:148:1525:34
8:14
#18683
15K
9.32 mi12:17:531:16:338:1325:19
8:09
#18477
20K
12.43 mi12:43:011:41:418:1125:08
8:06
#18068
HALF
13.11 mi12:48:261:47:068:115:25
7:57
#17989
25K
15.53 mi13:08:112:06:518:1019:45
8:09
#17713
30K
18.64 mi13:34:232:33:038:1326:12
8:26
#17450
20M
20.00 mi13:46:162:44:568:1511:53
8:45
#17456
21M
21.00 mi13:55:332:54:138:189:17
9:17
#17430
35K
21.75 mi14:01:553:00:358:196:22
8:31
#17422
23M
23.00 mi14:12:523:11:328:2010:57
8:45
#17386
24M
24.00 mi14:21:173:19:578:208:25
8:25
#17316
40K
24.85 mi14:28:473:27:278:217:30
8:47
#17295
25.2M
25.20 mi14:32:053:30:458:223:18
9:35
#17291
FINISH
26.22 mi14:40:503:39:308:238:45
8:36
#17358
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 mi186296864686418004(Top 62%)6474(Top 51%)6474(Top 362%)
10K6.21 mi3.10 mi18683-546876-126876-1218749(Top 65%)6881(Top 55%)6881(Top 385%)
15K9.32 mi3.11 mi18477+2066749+1276749+12718004(Top 62%)6474(Top 51%)6474(Top 362%)
20K12.43 mi3.11 mi18068+4096522+2276522+22716804(Top 58%)5826(Top 46%)5826(Top 326%)
HALF13.11 mi0.68 mi17989+796482+406482+4016810(Top 58%)5817(Top 46%)5817(Top 326%)
25K15.53 mi2.42 mi17713+2766337+1456337+14516452(Top 57%)5686(Top 45%)5686(Top 318%)
30K18.64 mi3.11 mi17450+2636211+1266211+12616485(Top 57%)5806(Top 46%)5806(Top 325%)
20M20.00 mi1.36 mi17456-66235-246235-2417682(Top 61%)6572(Top 52%)6572(Top 368%)
21M21.00 mi1.00 mi17430+266239-46239-417558(Top 61%)6547(Top 52%)6547(Top 367%)
35K21.75 mi0.75 mi17422+86250-116250-1117664(Top 61%)6713(Top 53%)6713(Top 376%)
23M23.00 mi1.25 mi17386+366262-126262-1217203(Top 59%)6535(Top 52%)6535(Top 366%)
24M24.00 mi1.00 mi17316+706243+196243+1916427(Top 57%)6151(Top 49%)6151(Top 344%)
40K24.85 mi0.85 mi17295+216249-66249-617253(Top 59%)6652(Top 53%)6652(Top 372%)
25.2M25.20 mi0.35 mi17291+46258-96258-917692(Top 61%)6864(Top 55%)6864(Top 384%)
FINISH26.22 mi1.02 mi17358-676317-596317-5918613(Top 64%)7354(Top 58%)7354(Top 412%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21
+97ft-345ft

Overall

18004

Females

6474

F45-49

6474

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18749

Females

6881

F45-49

6881

10K→15K

6.2 - 9.3 mi

Top 62%
×3
+67ft-78ft

Overall

18004

Females

6474

F45-49

6474

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16804

Females

5826

F45-49

5826

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16810

Females

5817

F45-49

5817

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16452

Females

5686

F45-49

5686

25K→30K

15.5 - 18.6 mi

Top 57%
×9
+181ft-148ft

Overall

16485

Females

5806

F45-49

5806

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17682

Females

6572

F45-49

6572

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17558

Females

6547

F45-49

6547

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17664

Females

6713

F45-49

6713

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17203

Females

6535

F45-49

6535

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16427

Females

6151

F45-49

6151

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17253

Females

6652

F45-49

6652

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1
+13ft-16ft

Overall

17692

Females

6864

F45-49

6864

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18613

Females

7354

F45-49

7354

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2258
Passed By
987
Net Change
+1271
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18629
5K → 10K246300-54#18629#18683
10K → 15K28983+206#18683#18477
15K → 20K43223+409#18477#18068
20K → HALF845+79#18068#17989
HALF → 25K28711+276#17989#17713
25K → 30K32360+263#17713#17450
30K → 20M9096-6#17450#17456
20M → 21M8458+26#17456#17430
21M → 35K6254+8#17430#17422
35K → 23M10771+36#17422#17386
23M → 24M10434+70#17386#17316
24M → 40K7554+21#17316#17295
40K → 25.2M3329+4#17295#17291
25.2M → FINISH42109-67#17291#17358
TOTALS2258987+1271
📊

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