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BOSTON MARATHON 2025

Heather Adams

Bib: 22196•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 47%
Masters (Masters Women)
#0 / 6759
Top 34%
Division (F50-54)
#0 / 1303
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #19596
Start → 5K
26:15 | 8:27/mi
10K· 6.21 mi
52:29
Rank: #19516 (+80)
5K → 10K
26:14 | 8:27/mi
15K· 9.32 mi
1:18:27
Rank: #19134 (+382)
10K → 15K
25:58 | 8:21/mi
20K· 12.43 mi
1:44:18
Rank: #18612 (+522)
15K → 20K
25:51 | 8:19/mi
Half· 13.11 mi
1:50:00
Rank: #18586 (+26)
20K → Half
5:42 | 8:21/mi
25K· 15.53 mi
2:10:11
Rank: #18137 (+449)
Half → 25K
20:11 | 8:19/mi
30K· 18.64 mi
2:36:40
Rank: #17498 (+639)
25K → 30K
26:29 | 8:31/mi
20M
2:48:17
Rank: #17222 (+276)
30K → 20M
11:37 | 8:33/mi
21M
2:57:12
Rank: #16936 (+286)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
3:03:25
Rank: #16831 (+105)
21M → 35K
6:13 | 8:19/mi
23M
3:14:23
Rank: #16694 (+137)
35K → 23M
10:58 | 8:46/mi
24M
3:23:06
Rank: #16642 (+52)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:30:34
Rank: #16558 (+84)
24M → 40K
7:28 | 8:44/mi
25.2M
3:33:50
Rank: #16513 (+45)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:42:24
Rank: #16471 (+42)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:52:24
Pace8:34 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2526:158:2726:15
8:27
-
10K
6.21 mi11:48:3952:298:2726:14
8:27
0:00
15K
9.32 mi12:14:371:18:278:2525:58
8:21
-0:06
20K
12.43 mi12:40:281:44:188:2425:51
8:19
-0:02
Half
13.11 mi12:46:101:50:008:235:42
8:21
+0:02
25K
15.53 mi13:06:212:10:118:2320:11
8:19
-0:02
30K
18.64 mi13:32:502:36:408:2426:29
8:31
+0:12
20M
20.00 mi13:44:272:48:178:2511:37
8:33
+0:02
21M
21.00 mi13:53:222:57:128:268:55
8:55
+0:22
35K
21.75 mi13:59:353:03:258:266:13
8:19
-0:36
23M
23.00 mi14:10:333:14:238:2710:58
8:46
+0:27
24M
24.00 mi14:19:163:23:068:288:43
8:43
-0:03
40K
24.85 mi14:26:443:30:348:287:28
8:44
+0:01
25.2M
25.20 mi14:30:003:33:508:293:16
9:28
+0:44
Finish
26.22 mi14:38:343:42:248:298:34
8:24
-1:04

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

8:19 /mi

Average Pace

8:29 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:08

99% of race

Time at Steady Pace

3:16

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:29 /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 mi11:22:2526:158:2726:15
8:27
#19596
10K
6.21 mi11:48:3952:298:2726:14
8:27
#19516
15K
9.32 mi12:14:371:18:278:2525:58
8:21
#19134
20K
12.43 mi12:40:281:44:188:2425:51
8:19
#18612
Half
13.11 mi12:46:101:50:008:235:42
8:21
#18586
25K
15.53 mi13:06:212:10:118:2320:11
8:19
#18137
30K
18.64 mi13:32:502:36:408:2426:29
8:31
#17498
20M
20.00 mi13:44:272:48:178:2511:37
8:33
#17222
21M
21.00 mi13:53:222:57:128:268:55
8:55
#16936
35K
21.75 mi13:59:353:03:258:266:13
8:19
#16831
23M
23.00 mi14:10:333:14:238:2710:58
8:46
#16694
24M
24.00 mi14:19:163:23:068:288:43
8:43
#16642
40K
24.85 mi14:26:443:30:348:287:28
8:44
#16558
25.2M
25.20 mi14:30:003:33:508:293:16
9:28
#16513
Finish
26.22 mi14:38:343:42:248:298:34
8:24
#16471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi195967254725418440(Top 65%)6574(Top 54%)6574(Top 505%)
10K6.21 mi3.10 mi19516+807189+657189+6519471(Top 69%)7150(Top 58%)7150(Top 549%)
15K9.32 mi3.11 mi19134+3826976+2136976+21318440(Top 65%)6574(Top 54%)6574(Top 505%)
20K12.43 mi3.11 mi18612+5226681+2956681+29517060(Top 60%)5806(Top 47%)5806(Top 446%)
Half13.11 mi0.68 mi18586+266668+136668+1318305(Top 64%)6482(Top 53%)6482(Top 497%)
25K15.53 mi2.42 mi18137+4496438+2306438+23016096(Top 57%)5368(Top 44%)5368(Top 412%)
30K18.64 mi3.11 mi17498+6396118+3206118+32014924(Top 53%)4865(Top 40%)4865(Top 373%)
20M20.00 mi1.36 mi17222+2765981+1375981+13714123(Top 50%)4587(Top 38%)4587(Top 352%)
21M21.00 mi1.00 mi16936+2865839+1425839+14213069(Top 46%)4169(Top 34%)4169(Top 320%)
35K21.75 mi0.75 mi16831+1055789+505789+5014368(Top 51%)4899(Top 40%)4899(Top 376%)
23M23.00 mi1.25 mi16694+1375752+375752+3714904(Top 52%)5284(Top 43%)5284(Top 406%)
24M24.00 mi1.00 mi16642+525739+135739+1315857(Top 56%)5847(Top 48%)5847(Top 449%)
40K24.85 mi0.85 mi16558+845722+175722+1714843(Top 52%)5440(Top 44%)5440(Top 417%)
25.2M25.20 mi0.35 mi16513+455707+155707+1514513(Top 51%)5302(Top 43%)5302(Top 407%)
Finish26.22 mi1.02 mi16471+425716-95716-915654(Top 55%)5836(Top 48%)5836(Top 448%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18440

Females

6574

F50-54

6574

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19471

Females

7150

F50-54

7150

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18440

Females

6574

F50-54

6574

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17060

Females

5806

F50-54

5806

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18305

Females

6482

F50-54

6482

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16096

Females

5368

F50-54

5368

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14924

Females

4865

F50-54

4865

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14123

Females

4587

F50-54

4587

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

13069

Females

4169

F50-54

4169

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14368

Females

4899

F50-54

4899

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14904

Females

5284

F50-54

5284

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15857

Females

5847

F50-54

5847

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14843

Females

5440

F50-54

5440

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14513

Females

5302

F50-54

5302

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15654

Females

5836

F50-54

5836

Passing Analysis

Category:
Athletes Passed
3669
Passed By
544
Net Change
+3125
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19596
5K → 10K292212+80#19596#19516
10K → 15K44361+382#19516#19134
15K → 20K54119+522#19134#18612
20K → Half4519+26#18612#18586
Half → 25K46112+449#18586#18137
25K → 30K6456+639#18137#17498
30K → 20M28610+276#17498#17222
20M → 21M2926+286#17222#16936
21M → 35K1149+105#16936#16831
35K → 23M18043+137#16831#16694
23M → 24M10149+52#16694#16642
24M → 40K11632+84#16642#16558
40K → 25.2M5813+45#16558#16513
25.2M → Finish9553+42#16513#16471
TOTALS3669544+3125
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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