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BOSTON MARATHON 2025

Dawn Atherton

Bib: 10350•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F40-44)
#0 / 1718
Top 5%
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
6:54/mi
21:26
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
42:47
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:03:57
↑ 67↓ 78
20K· 12.43 mi
6:57/mi
1:25:32
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:30:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:47:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:10:58
↑ 181↓ 1480.2%
20M
7:36/mi
2:21:17
↑ 64↓ 500.2%
21M
8:55/mi
2:30:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:35:29
↑ 17↓ 861.7%
23M
7:20/mi
2:44:40
↑ 23↓ 630.6%
24M
7:19/mi
2:51:59
↓ 821.3%
40K· 24.85 mi
7:35/mi
2:58:28
↓ 200.3%
25.2M
8:13/mi
3:01:18
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:08:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:11
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0321:266:5421:26
6:54
-
10K
6.21 mi11:08:2442:476:5321:21
6:52
-0:02
15K
9.32 mi11:29:341:03:576:5221:10
6:49
-0:03
20K
12.43 mi11:51:091:25:326:5321:35
6:57
+0:08
Half
13.11 mi11:55:481:30:116:534:39
6:49
-0:08
25K
15.53 mi12:13:011:47:246:5517:13
7:06
+0:17
30K
18.64 mi12:36:352:10:587:0223:34
7:35
+0:29
20M
20.00 mi12:46:542:21:177:0410:19
7:36
+0:01
21M
21.00 mi12:55:492:30:127:098:55
8:55
+1:19
35K
21.75 mi13:01:062:35:297:095:17
7:04
-1:51
23M
23.00 mi13:10:172:44:407:109:11
7:20
+0:16
24M
24.00 mi13:17:362:51:597:107:19
7:19
-0:01
40K
24.85 mi13:24:052:58:287:116:29
7:35
+0:16
25.2M
25.20 mi13:26:553:01:187:122:50
8:13
+0:38
Finish
26.22 mi13:33:553:08:187:117:00
6:52
-1:21

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

6:49 /mi

Average Pace

7:11 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:16:11

72% of race

Time at Slower Pace

52:07

28% of race

Average Pace: 7:11 /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 mi10:47:0321:266:5421:26
6:54
#7087
10K
6.21 mi11:08:2442:476:5321:21
6:52
#7055
15K
9.32 mi11:29:341:03:576:5221:10
6:49
#6770
20K
12.43 mi11:51:091:25:326:5321:35
6:57
#6703
Half
13.11 mi11:55:481:30:116:534:39
6:49
#6672
25K
15.53 mi12:13:011:47:246:5517:13
7:06
#6681
30K
18.64 mi12:36:352:10:587:0223:34
7:35
#6834
20M
20.00 mi12:46:542:21:177:0410:19
7:36
#6795
21M
21.00 mi12:55:492:30:127:098:55
8:55
#7075
35K
21.75 mi13:01:062:35:297:095:17
7:04
#7006
23M
23.00 mi13:10:172:44:407:109:11
7:20
#6826
24M
24.00 mi13:17:362:51:597:107:19
7:19
#6746
40K
24.85 mi13:24:052:58:287:116:29
7:35
#6724
25.2M
25.20 mi13:26:553:01:187:122:50
8:13
#6705
Finish
26.22 mi13:33:553:08:187:117:00
6:52
#6574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi70877017016229(Top 22%)575(Top 5%)575(Top 33%)
10K6.21 mi3.10 mi7055+32707-6707-67056(Top 25%)721(Top 6%)721(Top 42%)
15K9.32 mi3.11 mi6770+285654+53654+536229(Top 22%)575(Top 5%)575(Top 33%)
20K12.43 mi3.11 mi6703+67641+13641+136571(Top 23%)677(Top 6%)677(Top 39%)
Half13.11 mi0.68 mi6672+31634+7634+76369(Top 22%)631(Top 5%)631(Top 37%)
25K15.53 mi2.42 mi6681-9659-25659-256995(Top 25%)862(Top 7%)862(Top 50%)
30K18.64 mi3.11 mi6834-153737-78737-788348(Top 29%)1526(Top 12%)1526(Top 89%)
20M20.00 mi1.36 mi6795+39751-14751-147634(Top 27%)1380(Top 11%)1380(Top 80%)
21M21.00 mi1.00 mi7075-280851-100851-10013029(Top 46%)4129(Top 34%)4129(Top 240%)
35K21.75 mi0.75 mi7006+69847+4847+45822(Top 20%)864(Top 7%)864(Top 50%)
23M23.00 mi1.25 mi6826+180835+12835+125675(Top 20%)878(Top 7%)878(Top 51%)
24M24.00 mi1.00 mi6746+80836-1836-16534(Top 23%)1268(Top 10%)1268(Top 74%)
40K24.85 mi0.85 mi6724+22856-20856-207330(Top 26%)1682(Top 14%)1682(Top 98%)
25.2M25.20 mi0.35 mi6705+19869-13869-137189(Top 25%)1705(Top 14%)1705(Top 99%)
Finish26.22 mi1.02 mi6574+131855+14855+144926(Top 17%)846(Top 7%)846(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6229

Females

575

F40-44

575

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7056

Females

721

F40-44

721

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6229

Females

575

F40-44

575

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6571

Females

677

F40-44

677

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6369

Females

631

F40-44

631

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6995

Females

862

F40-44

862

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8348

Females

1526

F40-44

1526

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7634

Females

1380

F40-44

1380

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13029

Females

4129

F40-44

4129

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5822

Females

864

F40-44

864

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5675

Females

878

F40-44

878

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6534

Females

1268

F40-44

1268

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7330

Females

1682

F40-44

1682

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7189

Females

1705

F40-44

1705

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4926

Females

846

F40-44

846

Passing Analysis

Category:
Athletes Passed
1785
Passed By
1272
Net Change
+513
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7087
5K → 10K215183+32#7087#7055
10K → 15K31732+285#7055#6770
15K → 20K15992+67#6770#6703
20K → Half4615+31#6703#6672
Half → 25K125134-9#6672#6681
25K → 30K125278-153#6681#6834
30K → 20M10768+39#6834#6795
20M → 21M35315-280#6795#7075
21M → 35K8314+69#7075#7006
35K → 23M19515+180#7006#6826
23M → 24M11636+80#6826#6746
24M → 40K7452+22#6746#6724
40K → 25.2M4526+19#6724#6705
25.2M → Finish14312+131#6705#6574
TOTALS17851272+513
📊

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