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BOSTON MARATHON 2025

Diane O'Toole

Bib: 23411•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 32%
Division (F55-59)
#0 / 994
Top 13%
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
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
52:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:16
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:44:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:50:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:10:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:36:54
↑ 181↓ 1480.2%
20M
8:29/mi
2:48:26
↑ 64↓ 500.2%
21M
8:53/mi
2:57:19
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:03:30
↑ 17↓ 861.7%
23M
8:38/mi
3:14:18
↑ 23↓ 630.6%
24M
8:21/mi
3:22:39
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:29:46
↓ 200.3%
25.2M
9:05/mi
3:32:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:41:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:29
Pace8:26 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:36
Pace8:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:4625:468:1825:46
8:18
-
10K
6.21 mi11:49:0252:028:2226:16
8:27
+0:09
15K
9.32 mi12:15:161:18:168:2426:14
8:27
0:00
20K
12.43 mi12:41:451:44:458:2626:29
8:31
+0:04
Half
13.11 mi12:47:291:50:298:265:44
8:24
-0:07
25K
15.53 mi13:07:432:10:438:2520:14
8:21
-0:03
30K
18.64 mi13:33:542:36:548:2526:11
8:26
+0:05
20M
20.00 mi13:45:262:48:268:2511:32
8:29
+0:03
21M
21.00 mi13:54:192:57:198:278:53
8:53
+0:24
35K
21.75 mi14:00:303:03:308:266:11
8:16
-0:37
23M
23.00 mi14:11:183:14:188:2710:48
8:38
+0:22
24M
24.00 mi14:19:393:22:398:278:21
8:21
-0:17
40K
24.85 mi14:26:463:29:468:267:07
8:19
-0:02
25.2M
25.20 mi14:29:543:32:548:273:08
9:05
+0:46
Finish
26.22 mi14:38:053:41:058:268:11
8:02
-1:03

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

8:02 /mi

Average Pace

8:26 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:04

95% of race

Time at Steady Pace

12:01

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:22:4625:468:1825:46
8:18
#18674
10K
6.21 mi11:49:0252:028:2226:16
8:27
#19088
15K
9.32 mi12:15:161:18:168:2426:14
8:27
#19009
20K
12.43 mi12:41:451:44:458:2626:29
8:31
#18826
Half
13.11 mi12:47:291:50:298:265:44
8:24
#18830
25K
15.53 mi13:07:432:10:438:2520:14
8:21
#18366
30K
18.64 mi13:33:542:36:548:2526:11
8:26
#17581
20M
20.00 mi13:45:262:48:268:2511:32
8:29
#17275
21M
21.00 mi13:54:192:57:198:278:53
8:53
#16969
35K
21.75 mi14:00:303:03:308:266:11
8:16
#16852
23M
23.00 mi14:11:183:14:188:2710:48
8:38
#16671
24M
24.00 mi14:19:393:22:398:278:21
8:21
#16513
40K
24.85 mi14:26:463:29:468:267:07
8:19
#16339
25.2M
25.20 mi14:29:543:32:548:273:08
9:05
#16272
Finish
26.22 mi14:38:053:41:058:268:11
8:02
#16138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi186746720672018996(Top 67%)6894(Top 56%)6894(Top 694%)
10K6.21 mi3.10 mi19088-4146950-2306950-23019537(Top 69%)7190(Top 59%)7190(Top 723%)
15K9.32 mi3.11 mi19009+796915+356915+3518996(Top 67%)6894(Top 56%)6894(Top 694%)
20K12.43 mi3.11 mi18826+1836806+1096806+10918401(Top 65%)6564(Top 54%)6564(Top 660%)
Half13.11 mi0.68 mi18830-46811-56811-518620(Top 66%)6679(Top 55%)6679(Top 672%)
25K15.53 mi2.42 mi18366+4646560+2516560+25116218(Top 57%)5433(Top 44%)5433(Top 547%)
30K18.64 mi3.11 mi17581+7856173+3876173+38714328(Top 50%)4550(Top 37%)4550(Top 458%)
20M20.00 mi1.36 mi17275+3066011+1626011+16213735(Top 48%)4384(Top 36%)4384(Top 441%)
21M21.00 mi1.00 mi16969+3065858+1535858+15312863(Top 45%)4060(Top 33%)4060(Top 408%)
35K21.75 mi0.75 mi16852+1175803+555803+5514102(Top 50%)4738(Top 39%)4738(Top 477%)
23M23.00 mi1.25 mi16671+1815738+655738+6514121(Top 50%)4865(Top 40%)4865(Top 489%)
24M24.00 mi1.00 mi16513+1585668+705668+7013598(Top 48%)4621(Top 38%)4621(Top 465%)
40K24.85 mi0.85 mi16339+1745602+665602+6612349(Top 43%)4118(Top 34%)4118(Top 414%)
25.2M25.20 mi0.35 mi16272+675567+355567+3512407(Top 44%)4206(Top 34%)4206(Top 423%)
Finish26.22 mi1.02 mi16138+1345512+555512+5513129(Top 46%)4517(Top 37%)4517(Top 454%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18996

Females

6894

F55-59

6894

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19537

Females

7190

F55-59

7190

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18996

Females

6894

F55-59

6894

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18401

Females

6564

F55-59

6564

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18620

Females

6679

F55-59

6679

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16218

Females

5433

F55-59

5433

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14328

Females

4550

F55-59

4550

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

13735

Females

4384

F55-59

4384

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12863

Females

4060

F55-59

4060

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14102

Females

4738

F55-59

4738

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14121

Females

4865

F55-59

4865

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13598

Females

4621

F55-59

4621

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12349

Females

4118

F55-59

4118

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12407

Females

4206

F55-59

4206

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

13129

Females

4517

F55-59

4517

Passing Analysis

Category:
Athletes Passed
3459
Passed By
923
Net Change
+2536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18674
5K → 10K128542-414#18674#19088
10K → 15K235156+79#19088#19009
15K → 20K284101+183#19009#18826
20K → Half3236-4#18826#18830
Half → 25K4651+464#18830#18366
25K → 30K7894+785#18366#17581
30K → 20M3093+306#17581#17275
20M → 21M3082+306#17275#16969
21M → 35K1236+117#16969#16852
35K → 23M21332+181#16852#16671
23M → 24M17012+158#16671#16513
24M → 40K1795+174#16513#16339
40K → 25.2M703+67#16339#16272
25.2M → Finish15420+134#16272#16138
TOTALS3459923+2536
📊

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