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BOSTON MARATHON 2025

Rosie Thorogood

Bib: 10134•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #4741
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
41:02
Rank: #4546 (+195)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:39
Rank: #4509 (+37)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:03
Rank: #4191 (+318)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:26:30
Rank: #4159 (+32)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:42:34
Rank: #4011 (+148)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:04:11
Rank: #4021 (-10)
25K → 30K
21:37 | 6:57/mi
20M
2:13:54
Rank: #4078 (-57)
30K → 20M
9:43 | 7:09/mi
21M
2:22:00
Rank: #4289 (-211)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:27:13
Rank: #4322 (-33)
21M → 35K
5:13 | 6:58/mi
23M
2:36:57
Rank: #4574 (-252)
35K → 23M
9:44 | 7:46/mi
24M
2:44:41
Rank: #4819 (-245)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
2:51:34
Rank: #5033 (-214)
24M → 40K
6:53 | 8:03/mi
25.2M
2:54:46
Rank: #5129 (-96)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:03:14
Rank: #5363 (-234)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:36:44
Pace7:23 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0620:336:3720:33
6:37
-
10K
6.21 mi11:06:3541:026:3620:29
6:36
-0:01
15K
9.32 mi11:27:121:01:396:3720:37
6:38
+0:02
20K
12.43 mi11:47:361:22:036:3620:24
6:34
-0:04
Half
13.11 mi11:52:031:26:306:364:27
6:31
-0:03
25K
15.53 mi12:08:071:42:346:3616:04
6:38
+0:07
30K
18.64 mi12:29:442:04:116:4021:37
6:57
+0:19
20M
20.00 mi12:39:272:13:546:429:43
7:09
+0:12
21M
21.00 mi12:47:332:22:006:468:06
8:06
+0:57
35K
21.75 mi12:52:462:27:136:465:13
6:58
-1:08
23M
23.00 mi13:02:302:36:576:499:44
7:46
+0:48
24M
24.00 mi13:10:142:44:416:527:44
7:44
-0:02
40K
24.85 mi13:17:072:51:346:546:53
8:03
+0:19
25.2M
25.20 mi13:20:192:54:466:563:12
9:17
+1:14
Finish
26.22 mi13:28:473:03:147:008:28
8:19
-0:58

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

6:31 /mi

Average Pace

7:00 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:27

2% of race

Time at Steady Pace

2:14:40

73% of race

Time at Slower Pace

44:07

24% of race

Average Pace: 6:59 /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 mi10:46:0620:336:3720:33
6:37
#4741
10K
6.21 mi11:06:3541:026:3620:29
6:36
#4546
15K
9.32 mi11:27:121:01:396:3720:37
6:38
#4509
20K
12.43 mi11:47:361:22:036:3620:24
6:34
#4191
Half
13.11 mi11:52:031:26:306:364:27
6:31
#4159
25K
15.53 mi12:08:071:42:346:3616:04
6:38
#4011
30K
18.64 mi12:29:442:04:116:4021:37
6:57
#4021
20M
20.00 mi12:39:272:13:546:429:43
7:09
#4078
21M
21.00 mi12:47:332:22:006:468:06
8:06
#4289
35K
21.75 mi12:52:462:27:136:465:13
6:58
#4322
23M
23.00 mi13:02:302:36:576:499:44
7:46
#4574
24M
24.00 mi13:10:142:44:416:527:44
7:44
#4819
40K
24.85 mi13:17:072:51:346:546:53
8:03
#5033
25.2M
25.20 mi13:20:192:54:466:563:12
9:17
#5129
Finish
26.22 mi13:28:473:03:147:008:28
8:19
#5363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi47412892894567(Top 16%)283(Top 2%)283(Top 5%)
10K6.21 mi3.10 mi4546+195268+21268+214441(Top 16%)271(Top 2%)271(Top 5%)
15K9.32 mi3.11 mi4509+37266+2266+24567(Top 16%)283(Top 2%)283(Top 5%)
20K12.43 mi3.11 mi4191+318241+25241+253514(Top 12%)182(Top 1%)182(Top 3%)
Half13.11 mi0.68 mi4159+322412413918(Top 14%)225(Top 2%)225(Top 4%)
25K15.53 mi2.42 mi4011+148231+10231+103655(Top 13%)211(Top 2%)211(Top 4%)
30K18.64 mi3.11 mi4021-10237-6237-64448(Top 16%)367(Top 3%)367(Top 7%)
20M20.00 mi1.36 mi4078-57250-13250-134954(Top 17%)493(Top 4%)493(Top 9%)
21M21.00 mi1.00 mi4289-211287-37287-377962(Top 28%)1701(Top 14%)1701(Top 31%)
35K21.75 mi0.75 mi4322-33299-12299-125206(Top 18%)663(Top 5%)663(Top 12%)
23M23.00 mi1.25 mi4574-252344-45344-458407(Top 30%)1985(Top 16%)1985(Top 36%)
24M24.00 mi1.00 mi4819-245386-42386-429349(Top 33%)2482(Top 20%)2482(Top 45%)
40K24.85 mi0.85 mi5033-214430-44430-4410564(Top 37%)3188(Top 26%)3188(Top 58%)
25.2M25.20 mi0.35 mi5129-96454-24454-2413348(Top 47%)4657(Top 38%)4657(Top 85%)
Finish26.22 mi1.02 mi5363-234513-59513-5914965(Top 53%)5450(Top 45%)5450(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4567

Females

283

F18-39

283

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4441

Females

271

F18-39

271

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4567

Females

283

F18-39

283

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3514

Females

182

F18-39

182

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3918

Females

225

F18-39

225

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3655

Females

211

F18-39

211

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4448

Females

367

F18-39

367

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4954

Females

493

F18-39

493

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7962

Females

1701

F18-39

1701

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5206

Females

663

F18-39

663

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8407

Females

1985

F18-39

1985

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9349

Females

2482

F18-39

2482

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10564

Females

3188

F18-39

3188

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13348

Females

4657

F18-39

4657

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14965

Females

5450

F18-39

5450

Passing Analysis

Category:
Athletes Passed
1249
Passed By
1871
Net Change
-622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4741
5K → 10K27883+195#4741#4546
10K → 15K12285+37#4546#4509
15K → 20K3257+318#4509#4191
20K → Half375+32#4191#4159
Half → 25K17224+148#4159#4011
25K → 30K127137-10#4011#4021
30K → 20M47104-57#4021#4078
20M → 21M25236-211#4078#4289
21M → 35K3366-33#4289#4322
35K → 23M31283-252#4322#4574
23M → 24M20265-245#4574#4819
24M → 40K16230-214#4819#5033
40K → 25.2M7103-96#5033#5129
25.2M → Finish9243-234#5129#5363
TOTALS12491871-622
📊

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