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BOSTON MARATHON 2025

Adrienne Bell

Bib: 20769•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
9:07/mi
28:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
57:41
↑ 79↓ 1380.4%
15K· 9.32 mi
10:06/mi
1:29:03
↑ 67↓ 78
20K· 12.43 mi
10:58/mi
2:03:07
↑ 106↓ 860.1%
Half· 13.11 mi
14:22/mi
2:12:55
↑ 19↓ 370.5%
25K· 15.53 mi
14:25/mi
2:47:53
↑ 66↓ 880.2%
30K· 18.64 mi
15:45/mi
3:36:48
↑ 181↓ 1480.2%
20M
16:25/mi
3:59:07
↑ 64↓ 500.2%
21M
16:30/mi
4:15:37
↑ 106↓ 241.6%
35K· 21.75 mi
17:03/mi
4:28:22
↑ 17↓ 861.7%
23M
16:18/mi
4:48:47
↑ 23↓ 630.6%
24M
15:29/mi
5:04:16
↓ 821.3%
40K· 24.85 mi
16:29/mi
5:18:22
↓ 200.3%
25.2M
18:19/mi
5:24:41
↑ 13↓ 160.2%
Finish· 26.22 mi
16:38/mi
5:41:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:55
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time3:28:43
Pace15:55 /mi
📊Positive Split: 57.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3928:189:0728:18
9:07
-
10K
6.21 mi11:51:0257:419:1729:23
9:27
+0:20
15K
9.32 mi12:22:241:29:039:3331:22
10:06
+0:39
20K
12.43 mi12:56:282:03:079:5434:04
10:58
+0:52
Half
13.11 mi13:06:162:12:5510:089:48
14:22
+3:24
25K
15.53 mi13:41:142:47:5310:4834:58
14:25
+0:03
30K
18.64 mi14:30:093:36:4811:3848:55
15:45
+1:20
20M
20.00 mi14:52:283:59:0711:5722:19
16:25
+0:40
21M
21.00 mi15:08:584:15:3712:1016:30
16:30
+0:05
35K
21.75 mi15:21:434:28:2212:2012:45
17:03
+0:33
23M
23.00 mi15:42:084:48:4712:3320:25
16:18
-0:45
24M
24.00 mi15:57:375:04:1612:4115:29
15:29
-0:49
40K
24.85 mi16:11:435:18:2212:4914:06
16:29
+1:00
25.2M
25.20 mi16:18:025:24:4112:536:19
18:19
+1:50
Finish
26.22 mi16:34:595:41:3813:0216:57
16:38
-1:41

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

9:07 /mi

Average Pace

13:02 /mi

Slowest Pace

18:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:07

36% of race

Time at Steady Pace

3:32:12

62% of race

Time at Slower Pace

6:19

2% of race

Average Pace: 13:02 /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 mi11:21:3928:189:0728:18
9:07
#22870
10K
6.21 mi11:51:0257:419:1729:23
9:27
#23490
15K
9.32 mi12:22:241:29:039:3331:22
10:06
#24179
20K
12.43 mi12:56:282:03:079:5434:04
10:58
#24776
Half
13.11 mi13:06:162:12:5510:089:48
14:22
#25291
25K
15.53 mi13:41:142:47:5310:4834:58
14:25
#26209
30K
18.64 mi14:30:093:36:4811:3848:55
15:45
#26936
20M
20.00 mi14:52:283:59:0711:5722:19
16:25
#27137
21M
21.00 mi15:08:584:15:3712:1016:30
16:30
#27231
35K
21.75 mi15:21:434:28:2212:2012:45
17:03
#27362
23M
23.00 mi15:42:084:48:4712:3320:25
16:18
#27486
24M
24.00 mi15:57:375:04:1612:4115:29
15:29
#27554
40K
24.85 mi16:11:435:18:2212:4914:06
16:29
#27613
25.2M
25.20 mi16:18:025:24:4112:536:19
18:19
#27645
Finish
26.22 mi16:34:595:41:3813:0216:57
16:38
#27774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi228709106910625192(Top 89%)10334(Top 85%)10334(Top 602%)
10K6.21 mi3.10 mi23490-6209415-3099415-30923997(Top 84%)9682(Top 79%)9682(Top 564%)
15K9.32 mi3.11 mi24179-6899774-3599774-35925192(Top 89%)10334(Top 85%)10334(Top 602%)
20K12.43 mi3.11 mi24776-59710108-33410108-33425941(Top 91%)10778(Top 88%)10778(Top 627%)
Half13.11 mi0.68 mi25291-51510404-29610404-29628294(Top 100%)12176(Top 100%)12176(Top 709%)
25K15.53 mi2.42 mi26209-91810900-49610900-49628075(Top 99%)12058(Top 99%)12058(Top 702%)
30K18.64 mi3.11 mi26936-72711357-45711357-45728227(Top 99%)12158(Top 99%)12158(Top 708%)
20M20.00 mi1.36 mi27137-20111487-13011487-13028242(Top 99%)12167(Top 100%)12167(Top 708%)
21M21.00 mi1.00 mi27231-9411550-6311550-6328012(Top 99%)12063(Top 99%)12063(Top 702%)
35K21.75 mi0.75 mi27362-13111631-8111631-8128315(Top 100%)12198(Top 100%)12198(Top 710%)
23M23.00 mi1.25 mi27486-12411711-8011711-8028197(Top 99%)12162(Top 99%)12162(Top 708%)
24M24.00 mi1.00 mi27554-6811757-4611757-4628147(Top 99%)12155(Top 99%)12155(Top 708%)
40K24.85 mi0.85 mi27613-5911801-4411801-4428195(Top 99%)12164(Top 99%)12164(Top 708%)
25.2M25.20 mi0.35 mi27645-3211821-2011821-2028255(Top 99%)12189(Top 100%)12189(Top 709%)
Finish26.22 mi1.02 mi27774-12911896-7511896-7528341(Top 100%)12210(Top 100%)12210(Top 711%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25192

Females

10334

F40-44

10334

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23997

Females

9682

F40-44

9682

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25192

Females

10334

F40-44

10334

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25941

Females

10778

F40-44

10778

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

28294

Females

12176

F40-44

12176

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

28075

Females

12058

F40-44

12058

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

28227

Females

12158

F40-44

12158

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28242

Females

12167

F40-44

12167

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28012

Females

12063

F40-44

12063

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28315

Females

12198

F40-44

12198

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28197

Females

12162

F40-44

12162

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28147

Females

12155

F40-44

12155

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28195

Females

12164

F40-44

12164

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28255

Females

12189

F40-44

12189

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28341

Females

12210

F40-44

12210

Passing Analysis

Category:
Athletes Passed
155
Passed By
5059
Net Change
-4904
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22870
5K → 10K62682-620#22870#23490
10K → 15K37726-689#23490#24179
15K → 20K24621-597#24179#24776
20K → Half0515-515#24776#25291
Half → 25K2920-918#25291#26209
25K → 30K7734-727#26209#26936
30K → 20M4205-201#26936#27137
20M → 21M498-94#27137#27231
21M → 35K2133-131#27231#27362
35K → 23M4128-124#27362#27486
23M → 24M472-68#27486#27554
24M → 40K463-59#27554#27613
40K → 25.2M032-32#27613#27645
25.2M → Finish1130-129#27645#27774
TOTALS1555059-4904
📊

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