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BOSTON MARATHON 2025

Helen Nash

Bib: 28700•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:13
Rank: #12027
Start → 5K
23:13 | 7:28/mi
10K· 6.21 mi
47:33
Rank: #13523 (-1496)
5K → 10K
24:20 | 7:50/mi
15K· 9.32 mi
1:11:48
Rank: #13775 (-252)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:36:25
Rank: #13888 (-113)
15K → 20K
24:37 | 7:55/mi
Half· 13.11 mi
1:41:44
Rank: #13907 (-19)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:00:27
Rank: #13470 (+437)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:24:58
Rank: #12869 (+601)
25K → 30K
24:31 | 7:53/mi
20M
2:35:21
Rank: #12457 (+412)
30K → 20M
10:23 | 7:38/mi
21M
2:43:25
Rank: #12139 (+318)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:48:40
Rank: #11856 (+283)
21M → 35K
5:15 | 7:01/mi
23M
2:57:58
Rank: #11460 (+396)
35K → 23M
9:18 | 7:26/mi
24M
3:05:36
Rank: #11269 (+191)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:12:23
Rank: #11188 (+81)
24M → 40K
6:47 | 7:56/mi
25.2M
3:15:23
Rank: #11152 (+36)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:23:03
Rank: #11052 (+100)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:41:44
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1023:137:2823:13
7:28
-
10K
6.21 mi12:04:3047:337:3924:20
7:50
+0:22
15K
9.32 mi12:28:451:11:487:4224:15
7:48
-0:02
20K
12.43 mi12:53:221:36:257:4624:37
7:55
+0:07
Half
13.11 mi12:58:411:41:447:465:19
7:48
-0:07
25K
15.53 mi13:17:242:00:277:4518:43
7:43
-0:05
30K
18.64 mi13:41:552:24:587:4724:31
7:53
+0:10
20M
20.00 mi13:52:182:35:217:4610:23
7:38
-0:15
21M
21.00 mi14:00:222:43:257:478:04
8:04
+0:26
35K
21.75 mi14:05:372:48:407:455:15
7:01
-1:03
23M
23.00 mi14:14:552:57:587:449:18
7:26
+0:25
24M
24.00 mi14:22:333:05:367:447:38
7:38
+0:12
40K
24.85 mi14:29:203:12:237:446:47
7:56
+0:18
25.2M
25.20 mi14:32:203:15:237:453:00
8:42
+0:46
Finish
26.22 mi14:40:003:23:037:457:40
7:31
-1:11

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

7:01 /mi

Average Pace

7:45 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:26

22% of race

Time at Steady Pace

2:26:33

72% of race

Time at Slower Pace

11:04

5% of race

Average Pace: 7:45 /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 mi11:40:1023:137:2823:13
7:28
#12027
10K
6.21 mi12:04:3047:337:3924:20
7:50
#13523
15K
9.32 mi12:28:451:11:487:4224:15
7:48
#13775
20K
12.43 mi12:53:221:36:257:4624:37
7:55
#13888
Half
13.11 mi12:58:411:41:447:465:19
7:48
#13907
25K
15.53 mi13:17:242:00:277:4518:43
7:43
#13470
30K
18.64 mi13:41:552:24:587:4724:31
7:53
#12869
20M
20.00 mi13:52:182:35:217:4610:23
7:38
#12457
21M
21.00 mi14:00:222:43:257:478:04
8:04
#12139
35K
21.75 mi14:05:372:48:407:455:15
7:01
#11856
23M
23.00 mi14:14:552:57:587:449:18
7:26
#11460
24M
24.00 mi14:22:333:05:367:447:38
7:38
#11269
40K
24.85 mi14:29:203:12:237:446:47
7:56
#11188
25.2M
25.20 mi14:32:203:15:237:453:00
8:42
#11152
Finish
26.22 mi14:40:003:23:037:457:40
7:31
#11052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120272815281514417(Top 51%)4261(Top 35%)4261(Top 78%)
10K6.21 mi3.10 mi13523-14963657-8423657-84215108(Top 53%)4596(Top 38%)4596(Top 84%)
15K9.32 mi3.11 mi13775-2523835-1783835-17814417(Top 51%)4261(Top 35%)4261(Top 78%)
20K12.43 mi3.11 mi13888-1133946-1113946-11114302(Top 50%)4245(Top 35%)4245(Top 78%)
Half13.11 mi0.68 mi13907-193956-103956-1014200(Top 50%)4151(Top 34%)4151(Top 76%)
25K15.53 mi2.42 mi13470+4373753+2033753+20311713(Top 41%)2972(Top 24%)2972(Top 54%)
30K18.64 mi3.11 mi12869+6013464+2893464+28910578(Top 37%)2584(Top 21%)2584(Top 47%)
20M20.00 mi1.36 mi12457+4123283+1813283+1818009(Top 28%)1552(Top 13%)1552(Top 28%)
21M21.00 mi1.00 mi12139+3183147+1363147+1367798(Top 27%)1644(Top 13%)1644(Top 30%)
35K21.75 mi0.75 mi11856+2833017+1303017+1305545(Top 20%)795(Top 7%)795(Top 15%)
23M23.00 mi1.25 mi11460+3962864+1532864+1536244(Top 22%)1123(Top 9%)1123(Top 21%)
24M24.00 mi1.00 mi11269+1912804+602804+608694(Top 31%)2189(Top 18%)2189(Top 40%)
40K24.85 mi0.85 mi11188+812789+152789+159732(Top 34%)2791(Top 23%)2791(Top 51%)
25.2M25.20 mi0.35 mi11152+362791-22791-210061(Top 35%)3048(Top 25%)3048(Top 56%)
Finish26.22 mi1.02 mi11052+1002770+212770+219389(Top 33%)2717(Top 22%)2717(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14417

Females

4261

F18-39

4261

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

15108

Females

4596

F18-39

4596

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14417

Females

4261

F18-39

4261

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

14302

Females

4245

F18-39

4245

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14200

Females

4151

F18-39

4151

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11713

Females

2972

F18-39

2972

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10578

Females

2584

F18-39

2584

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

8009

Females

1552

F18-39

1552

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7798

Females

1644

F18-39

1644

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5545

Females

795

F18-39

795

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6244

Females

1123

F18-39

1123

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8694

Females

2189

F18-39

2189

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9732

Females

2791

F18-39

2791

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

10061

Females

3048

F18-39

3048

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9389

Females

2717

F18-39

2717

Passing Analysis

Category:
Athletes Passed
3339
Passed By
2364
Net Change
+975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12027
5K → 10K151511-1496#12027#13523
10K → 15K129381-252#13523#13775
15K → 20K184297-113#13775#13888
20K → Half2847-19#13888#13907
Half → 25K45013+437#13907#13470
25K → 30K61918+601#13470#12869
30K → 20M4142+412#12869#12457
20M → 21M3246+318#12457#12139
21M → 35K2830+283#12139#11856
35K → 23M3971+396#11856#11460
23M → 24M20413+191#11460#11269
24M → 40K11130+81#11269#11188
40K → 25.2M5620+36#11188#11152
25.2M → Finish12525+100#11152#11052
TOTALS33392364+975
📊

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