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BOSTON MARATHON 2025

Jennifer Doak

Bib: 20986•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F45-49)
#0 / 1813
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:54/mi
24:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
48:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:21
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:38:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:44:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:04:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:36/mi
2:31:19
↑ 181↓ 1480.2%
20M
8:54/mi
2:43:25
↑ 64↓ 500.2%
21M
9:38/mi
2:53:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
2:59:23
↑ 17↓ 861.7%
23M
8:46/mi
3:10:21
↑ 23↓ 630.6%
24M
8:16/mi
3:18:37
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:26:04
↓ 200.3%
25.2M
10:00/mi
3:29:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:38:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:18
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:53:46
Pace8:41 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4824:347:5424:34
7:54
-
10K
6.21 mi11:44:0148:477:5124:13
7:48
-0:06
15K
9.32 mi12:08:351:13:217:5224:34
7:54
+0:06
20K
12.43 mi12:33:591:38:457:5725:24
8:11
+0:17
Half
13.11 mi12:39:321:44:187:575:33
8:08
-0:03
25K
15.53 mi12:59:502:04:368:0120:18
8:22
+0:14
30K
18.64 mi13:26:332:31:198:0726:43
8:36
+0:14
20M
20.00 mi13:38:392:43:258:1012:06
8:54
+0:18
21M
21.00 mi13:48:172:53:038:149:38
9:38
+0:44
35K
21.75 mi13:54:372:59:238:156:20
8:28
-1:10
23M
23.00 mi14:05:353:10:218:1710:58
8:46
+0:18
24M
24.00 mi14:13:513:18:378:178:16
8:16
-0:30
40K
24.85 mi14:21:183:26:048:177:27
8:43
+0:27
25.2M
25.20 mi14:24:453:29:318:193:27
10:00
+1:17
Finish
26.22 mi14:33:183:38:048:198:33
8:23
-1:37

Checkpoints & Pacing

📈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

7:48 /mi

Average Pace

8:19 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:21

34% of race

Time at Steady Pace

1:41:07

46% of race

Time at Slower Pace

43:36

20% of race

Average Pace: 8:19 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:19:4824:347:5424:34
7:54
#15782
10K
6.21 mi11:44:0148:477:5124:13
7:48
#15261
15K
9.32 mi12:08:351:13:217:5224:34
7:54
#15239
20K
12.43 mi12:33:591:38:457:5725:24
8:11
#15512
Half
13.11 mi12:39:321:44:187:575:33
8:08
#15599
25K
15.53 mi12:59:502:04:368:0120:18
8:22
#15725
30K
18.64 mi13:26:332:31:198:0726:43
8:36
#15643
20M
20.00 mi13:38:392:43:258:1012:06
8:54
#15636
21M
21.00 mi13:48:172:53:038:149:38
9:38
#15688
35K
21.75 mi13:54:372:59:238:156:20
8:28
#15643
23M
23.00 mi14:05:353:10:218:1710:58
8:46
#15564
24M
24.00 mi14:13:513:18:378:178:16
8:16
#15441
40K
24.85 mi14:21:183:26:048:177:27
8:43
#15387
25.2M
25.20 mi14:24:453:29:318:193:27
10:00
#15408
Finish
26.22 mi14:33:183:38:048:198:33
8:23
#15392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi157825011501115317(Top 54%)4761(Top 39%)4761(Top 263%)
10K6.21 mi3.10 mi15261+5214700+3114700+31114765(Top 52%)4403(Top 36%)4403(Top 243%)
15K9.32 mi3.11 mi15239+224700470015317(Top 54%)4761(Top 39%)4761(Top 263%)
20K12.43 mi3.11 mi15512-2734869-1694869-16916151(Top 57%)5303(Top 43%)5303(Top 292%)
Half13.11 mi0.68 mi15599-874931-624931-6216879(Top 59%)5682(Top 46%)5682(Top 313%)
25K15.53 mi2.42 mi15725-1265008-775008-7716389(Top 58%)5523(Top 45%)5523(Top 305%)
30K18.64 mi3.11 mi15643+825017-95017-915401(Top 54%)5125(Top 42%)5125(Top 283%)
20M20.00 mi1.36 mi15636+75058-415058-4116269(Top 57%)5751(Top 47%)5751(Top 317%)
21M21.00 mi1.00 mi15688-525134-765134-7616703(Top 59%)6085(Top 50%)6085(Top 336%)
35K21.75 mi0.75 mi15643+455118+165118+1615277(Top 54%)5388(Top 44%)5388(Top 297%)
23M23.00 mi1.25 mi15564+795107+115107+1114898(Top 52%)5278(Top 43%)5278(Top 291%)
24M24.00 mi1.00 mi15441+1235060+475060+4713070(Top 46%)4361(Top 36%)4361(Top 241%)
40K24.85 mi0.85 mi15387+545059+15059+114716(Top 52%)5370(Top 44%)5370(Top 296%)
25.2M25.20 mi0.35 mi15408-215085-265085-2617078(Top 60%)6616(Top 54%)6616(Top 365%)
Finish26.22 mi1.02 mi15392+165099-145099-1415532(Top 55%)5772(Top 47%)5772(Top 318%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15317

Females

4761

F45-49

4761

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

14765

Females

4403

F45-49

4403

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15317

Females

4761

F45-49

4761

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16151

Females

5303

F45-49

5303

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16879

Females

5682

F45-49

5682

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16389

Females

5523

F45-49

5523

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15401

Females

5125

F45-49

5125

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16269

Females

5751

F45-49

5751

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16703

Females

6085

F45-49

6085

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15277

Females

5388

F45-49

5388

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14898

Females

5278

F45-49

5278

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13070

Females

4361

F45-49

4361

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14716

Females

5370

F45-49

5370

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17078

Females

6616

F45-49

6616

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15532

Females

5772

F45-49

5772

Passing Analysis

Category:
Athletes Passed
2196
Passed By
1806
Net Change
+390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15782
5K → 10K641120+521#15782#15261
10K → 15K227205+22#15261#15239
15K → 20K126399-273#15239#15512
20K → Half13100-87#15512#15599
Half → 25K141267-126#15599#15725
25K → 30K275193+82#15725#15643
30K → 20M131124+7#15643#15636
20M → 21M98150-52#15636#15688
21M → 35K7328+45#15688#15643
35K → 23M14566+79#15643#15564
23M → 24M14017+123#15564#15441
24M → 40K10147+54#15441#15387
40K → 25.2M2142-21#15387#15408
25.2M → Finish6448+16#15408#15392
TOTALS21961806+390
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing