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BOSTON MARATHON 2025

Ashley Curnow

Bib: 15898•F

SD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:12
Rank: #11961
Start → 5K
23:12 | 7:28/mi
10K· 6.21 mi
46:21
Rank: #11779 (+182)
5K → 10K
23:09 | 7:27/mi
15K· 9.32 mi
1:09:33
Rank: #11647 (+132)
10K → 15K
23:12 | 7:28/mi
20K· 12.43 mi
1:33:13
Rank: #11639 (+8)
15K → 20K
23:40 | 7:37/mi
Half· 13.11 mi
1:38:19
Rank: #11636 (+3)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:56:52
Rank: #11531 (+105)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:21:29
Rank: #11357 (+174)
25K → 30K
24:37 | 7:55/mi
20M
2:32:16
Rank: #11194 (+163)
30K → 20M
10:47 | 7:56/mi
21M
2:40:31
Rank: #11020 (+174)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:46:21
Rank: #10979 (+41)
21M → 35K
5:50 | 7:48/mi
23M
2:56:12
Rank: #10826 (+153)
35K → 23M
9:51 | 7:52/mi
24M
3:03:57
Rank: #10736 (+90)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:10:37
Rank: #10631 (+105)
24M → 40K
6:40 | 7:48/mi
25.2M
3:13:31
Rank: #10562 (+69)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:21:09
Rank: #10480 (+82)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:42:50
Pace7:51 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3623:127:2823:12
7:28
-
10K
6.21 mi11:17:4546:217:2823:09
7:27
-0:01
15K
9.32 mi11:40:571:09:337:2823:12
7:28
+0:01
20K
12.43 mi12:04:371:33:137:3023:40
7:37
+0:09
Half
13.11 mi12:09:431:38:197:305:06
7:29
-0:08
25K
15.53 mi12:28:161:56:527:3118:33
7:39
+0:10
30K
18.64 mi12:52:532:21:297:3524:37
7:55
+0:16
20M
20.00 mi13:03:402:32:167:3710:47
7:56
+0:01
21M
21.00 mi13:11:552:40:317:398:15
8:15
+0:19
35K
21.75 mi13:17:452:46:217:395:50
7:48
-0:27
23M
23.00 mi13:27:362:56:127:409:51
7:52
+0:04
24M
24.00 mi13:35:213:03:577:407:45
7:45
-0:07
40K
24.85 mi13:42:013:10:377:406:40
7:48
+0:03
25.2M
25.20 mi13:44:553:13:317:412:54
8:25
+0:37
Finish
26.22 mi13:52:333:21:097:417:38
7:29
-0:56

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

7:27 /mi

Average Pace

7:41 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:00

94% of race

Time at Steady Pace

11:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:54:3623:127:2823:12
7:28
#11961
10K
6.21 mi11:17:4546:217:2823:09
7:27
#11779
15K
9.32 mi11:40:571:09:337:2823:12
7:28
#11647
20K
12.43 mi12:04:371:33:137:3023:40
7:37
#11639
Half
13.11 mi12:09:431:38:197:305:06
7:29
#11636
25K
15.53 mi12:28:161:56:527:3118:33
7:39
#11531
30K
18.64 mi12:52:532:21:297:3524:37
7:55
#11357
20M
20.00 mi13:03:402:32:167:3710:47
7:56
#11194
21M
21.00 mi13:11:552:40:317:398:15
8:15
#11020
35K
21.75 mi13:17:452:46:217:395:50
7:48
#10979
23M
23.00 mi13:27:362:56:127:409:51
7:52
#10826
24M
24.00 mi13:35:213:03:577:407:45
7:45
#10736
40K
24.85 mi13:42:013:10:377:406:40
7:48
#10631
25.2M
25.20 mi13:44:553:13:317:412:54
8:25
#10562
Finish
26.22 mi13:52:333:21:097:417:38
7:29
#10480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119612774277411498(Top 40%)2633(Top 22%)2633(Top 48%)
10K6.21 mi3.10 mi11779+1822689+852689+8511654(Top 41%)2641(Top 22%)2641(Top 48%)
15K9.32 mi3.11 mi11647+1322648+412648+4111498(Top 40%)2633(Top 22%)2633(Top 48%)
20K12.43 mi3.11 mi11639+82684-362684-3611730(Top 41%)2851(Top 23%)2851(Top 52%)
Half13.11 mi0.68 mi11636+32678+62678+611535(Top 41%)2694(Top 22%)2694(Top 49%)
25K15.53 mi2.42 mi11531+1052668+102668+1011170(Top 39%)2669(Top 22%)2669(Top 49%)
30K18.64 mi3.11 mi11357+1742653+152653+1510826(Top 38%)2699(Top 22%)2699(Top 49%)
20M20.00 mi1.36 mi11194+1632607+462607+4610032(Top 35%)2448(Top 20%)2448(Top 45%)
21M21.00 mi1.00 mi11020+1742555+522555+528939(Top 31%)2144(Top 18%)2144(Top 39%)
35K21.75 mi0.75 mi10979+412563-82563-810825(Top 38%)3008(Top 25%)3008(Top 55%)
23M23.00 mi1.25 mi10826+1532519+442519+449079(Top 32%)2296(Top 19%)2296(Top 42%)
24M24.00 mi1.00 mi10736+902514+52514+59477(Top 33%)2554(Top 21%)2554(Top 47%)
40K24.85 mi0.85 mi10631+1052483+312483+318784(Top 31%)2354(Top 19%)2354(Top 43%)
25.2M25.20 mi0.35 mi10562+692465+182465+188340(Top 29%)2220(Top 18%)2220(Top 41%)
Finish26.22 mi1.02 mi10480+822461+42461+49140(Top 32%)2597(Top 21%)2597(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

11498

Females

2633

F18-39

2633

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11654

Females

2641

F18-39

2641

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

11498

Females

2633

F18-39

2633

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11730

Females

2851

F18-39

2851

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11535

Females

2694

F18-39

2694

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11170

Females

2669

F18-39

2669

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10826

Females

2699

F18-39

2699

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

10032

Females

2448

F18-39

2448

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8939

Females

2144

F18-39

2144

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10825

Females

3008

F18-39

3008

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9079

Females

2296

F18-39

2296

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9477

Females

2554

F18-39

2554

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8784

Females

2354

F18-39

2354

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8340

Females

2220

F18-39

2220

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9140

Females

2597

F18-39

2597

Passing Analysis

Category:
Athletes Passed
2448
Passed By
967
Net Change
+1481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11961
5K → 10K362180+182#11961#11779
10K → 15K245113+132#11779#11647
15K → 20K185177+8#11647#11639
20K → Half3936+3#11639#11636
Half → 25K206101+105#11636#11531
25K → 30K305131+174#11531#11357
30K → 20M19431+163#11357#11194
20M → 21M20127+174#11194#11020
21M → 35K7534+41#11020#10979
35K → 23M18532+153#10979#10826
23M → 24M12232+90#10826#10736
24M → 40K12823+105#10736#10631
40K → 25.2M8011+69#10631#10562
25.2M → Finish12139+82#10562#10480
TOTALS2448967+1481
📊

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