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BOSTON MARATHON 2025

Kristin Ross

Bib: 15645•F

NH

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Female)
#0 / 12228
Top 18%
Division (F18-39)
#0 / 5469
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:58
Rank: #11262
Start → 5K
22:58 | 7:24/mi
10K· 6.21 mi
46:08
Rank: #11464 (-202)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:08
Rank: #11229 (+235)
10K → 15K
23:00 | 7:24/mi
20K· 12.43 mi
1:32:24
Rank: #11070 (+159)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:37:23
Rank: #11016 (+54)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:53
Rank: #10981 (+35)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:20:17
Rank: #10814 (+167)
25K → 30K
24:24 | 7:51/mi
20M
2:30:53
Rank: #10642 (+172)
30K → 20M
10:36 | 7:48/mi
21M
2:39:04
Rank: #10481 (+161)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:44:39
Rank: #10376 (+105)
21M → 35K
5:35 | 7:28/mi
23M
2:54:32
Rank: #10260 (+116)
35K → 23M
9:53 | 7:54/mi
24M
3:02:05
Rank: #10118 (+142)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:08:49
Rank: #10046 (+72)
24M → 40K
6:44 | 7:53/mi
25.2M
3:11:48
Rank: #10034 (+12)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:19:35
Rank: #10023 (+11)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:23
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:42:12
Pace7:48 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1622:587:2422:58
7:24
-
10K
6.21 mi11:17:2646:087:2523:10
7:27
+0:03
15K
9.32 mi11:40:261:09:087:2523:00
7:24
-0:03
20K
12.43 mi12:03:421:32:247:2623:16
7:29
+0:05
Half
13.11 mi12:08:411:37:237:264:59
7:18
-0:11
25K
15.53 mi12:27:111:55:537:2818:30
7:38
+0:20
30K
18.64 mi12:51:352:20:177:3224:24
7:51
+0:13
20M
20.00 mi13:02:112:30:537:3310:36
7:48
-0:03
21M
21.00 mi13:10:222:39:047:348:11
8:11
+0:23
35K
21.75 mi13:15:572:44:397:345:35
7:28
-0:43
23M
23.00 mi13:25:502:54:327:359:53
7:54
+0:26
24M
24.00 mi13:33:233:02:057:357:33
7:33
-0:21
40K
24.85 mi13:40:073:08:497:366:44
7:53
+0:20
25.2M
25.20 mi13:43:063:11:487:372:59
8:39
+0:46
Finish
26.22 mi13:50:533:19:357:377:47
7:38
-1:01

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

7:18 /mi

Average Pace

7:37 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:25

94% of race

Time at Steady Pace

8:11

4% of race

Time at Slower Pace

2:59

1% of race

Average Pace: 7:37 /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 mi10:54:1622:587:2422:58
7:24
#11262
10K
6.21 mi11:17:2646:087:2523:10
7:27
#11464
15K
9.32 mi11:40:261:09:087:2523:00
7:24
#11229
20K
12.43 mi12:03:421:32:247:2623:16
7:29
#11070
Half
13.11 mi12:08:411:37:237:264:59
7:18
#11016
25K
15.53 mi12:27:111:55:537:2818:30
7:38
#10981
30K
18.64 mi12:51:352:20:177:3224:24
7:51
#10814
20M
20.00 mi13:02:112:30:537:3310:36
7:48
#10642
21M
21.00 mi13:10:222:39:047:348:11
8:11
#10481
35K
21.75 mi13:15:572:44:397:345:35
7:28
#10376
23M
23.00 mi13:25:502:54:327:359:53
7:54
#10260
24M
24.00 mi13:33:233:02:057:357:33
7:33
#10118
40K
24.85 mi13:40:073:08:497:366:44
7:53
#10046
25.2M
25.20 mi13:43:063:11:487:372:59
8:39
#10034
Finish
26.22 mi13:50:533:19:357:377:47
7:38
#10023
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi112622407240710925(Top 38%)2334(Top 19%)2334(Top 43%)
10K6.21 mi3.10 mi11464-2022534-1272534-12711693(Top 41%)2661(Top 22%)2661(Top 49%)
15K9.32 mi3.11 mi11229+2352434+1002434+10010925(Top 38%)2334(Top 19%)2334(Top 43%)
20K12.43 mi3.11 mi11070+1592379+552379+5510681(Top 38%)2304(Top 19%)2304(Top 42%)
Half13.11 mi0.68 mi11016+542345+342345+3410113(Top 36%)2019(Top 17%)2019(Top 37%)
25K15.53 mi2.42 mi10981+352378-332378-3310993(Top 39%)2582(Top 21%)2582(Top 47%)
30K18.64 mi3.11 mi10814+1672369+92369+910322(Top 36%)2445(Top 20%)2445(Top 45%)
20M20.00 mi1.36 mi10642+1722326+432326+439054(Top 32%)2009(Top 16%)2009(Top 37%)
21M21.00 mi1.00 mi10481+1612285+412285+418511(Top 30%)1946(Top 16%)1946(Top 36%)
35K21.75 mi0.75 mi10376+1052250+352250+358420(Top 30%)1861(Top 15%)1861(Top 34%)
23M23.00 mi1.25 mi10260+1162245+52245+59261(Top 33%)2377(Top 19%)2377(Top 43%)
24M24.00 mi1.00 mi10118+1422201+442201+448084(Top 28%)1905(Top 16%)1905(Top 35%)
40K24.85 mi0.85 mi10046+722195+62195+69321(Top 33%)2595(Top 21%)2595(Top 47%)
25.2M25.20 mi0.35 mi10034+122210-152210-159757(Top 34%)2883(Top 24%)2883(Top 53%)
Finish26.22 mi1.02 mi10023+112233-232233-2310233(Top 36%)3093(Top 25%)3093(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10925

Females

2334

F18-39

2334

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11693

Females

2661

F18-39

2661

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10925

Females

2334

F18-39

2334

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10681

Females

2304

F18-39

2304

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10113

Females

2019

F18-39

2019

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10993

Females

2582

F18-39

2582

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10322

Females

2445

F18-39

2445

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

9054

Females

2009

F18-39

2009

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

8511

Females

1946

F18-39

1946

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8420

Females

1861

F18-39

1861

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9261

Females

2377

F18-39

2377

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

8084

Females

1905

F18-39

1905

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9321

Females

2595

F18-39

2595

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9757

Females

2883

F18-39

2883

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10233

Females

3093

F18-39

3093

Passing Analysis

Category:
Athletes Passed
2358
Passed By
1119
Net Change
+1239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11262
5K → 10K166368-202#11262#11464
10K → 15K31277+235#11464#11229
15K → 20K25192+159#11229#11070
20K → Half6814+54#11070#11016
Half → 25K187152+35#11016#10981
25K → 30K317150+167#10981#10814
30K → 20M20230+172#10814#10642
20M → 21M19433+161#10642#10481
21M → 35K11510+105#10481#10376
35K → 23M16044+116#10376#10260
23M → 24M15412+142#10260#10118
24M → 40K11442+72#10118#10046
40K → 25.2M4129+12#10046#10034
25.2M → Finish7766+11#10034#10023
TOTALS23581119+1239
📊

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