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BOSTON MARATHON 2025

Julia Florence

Bib: 27583•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
37:33
Rank: #28252
Start → 5K
37:33 | 12:05/mi
10K· 6.21 mi
1:18:59
Rank: #28333 (-81)
5K → 10K
41:26 | 13:20/mi
15K· 9.32 mi
2:00:38
Rank: #28333
10K → 15K
41:39 | 13:24/mi
20K· 12.43 mi
2:44:40
Rank: #28339 (-6)
15K → 20K
44:02 | 14:10/mi
Half· 13.11 mi
2:53:38
Rank: #28333 (+6)
20K → Half
8:58 | 13:09/mi
25K· 15.53 mi
3:28:13
Rank: #28322 (+11)
Half → 25K
34:35 | 14:16/mi
30K· 18.64 mi
4:13:25
Rank: #28285 (+37)
25K → 30K
45:12 | 14:33/mi
20M
4:35:24
Rank: #28301 (-16)
30K → 20M
21:59 | 16:11/mi
21M
4:51:36
Rank: #28305 (-4)
20M → 21M
16:12 | 16:12/mi
35K· 21.75 mi
5:01:37
Rank: #28295 (+10)
21M → 35K
10:01 | 13:23/mi
23M
5:19:29
Rank: #28284 (+11)
35K → 23M
17:52 | 14:16/mi
24M
5:32:55
Rank: #28275 (+9)
23M → 24M
13:26 | 13:26/mi
40K· 24.85 mi
5:45:05
Rank: #28266 (+9)
24M → 40K
12:10 | 14:14/mi
25.2M
5:50:51
Rank: #28272 (-6)
40K → 25.2M
5:46 | 16:43/mi
Finish· 26.22 mi
6:04:18
Rank: #28266 (+6)
25.2M → Finish
13:27 | 13:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:53:38
Pace13:15 /mi
2nd Half
Distance13.11 mi
Time3:10:40
Pace14:33 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0637:3312:0537:33
12:05
-
10K
6.21 mi12:35:321:18:5912:4341:26
13:20
+1:15
15K
9.32 mi13:17:112:00:3812:5741:39
13:24
+0:04
20K
12.43 mi14:01:132:44:4013:1544:02
14:10
+0:46
Half
13.11 mi14:10:112:53:3813:158:58
13:09
-1:01
25K
15.53 mi14:44:463:28:1313:2434:35
14:16
+1:07
30K
18.64 mi15:29:584:13:2513:3645:12
14:33
+0:17
20M
20.00 mi15:51:574:35:2413:4621:59
16:11
+1:38
21M
21.00 mi16:08:094:51:3613:5316:12
16:12
+0:01
35K
21.75 mi16:18:105:01:3713:5210:01
13:23
-2:49
23M
23.00 mi16:36:025:19:2913:5317:52
14:16
+0:53
24M
24.00 mi16:49:285:32:5513:5213:26
13:26
-0:50
40K
24.85 mi17:01:385:45:0513:5312:10
14:14
+0:48
25.2M
25.20 mi17:07:245:50:5113:555:46
16:43
+2:29
Finish
26.22 mi17:20:516:04:1813:5413:27
13:12
-3:31

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

12:05 /mi

Average Pace

13:54 /mi

Slowest Pace

16:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:30

46% of race

Time at Steady Pace

2:33:51

42% of race

Time at Slower Pace

43:57

12% of race

Average Pace: 13:54 /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 mi11:54:0637:3312:0537:33
12:05
#28252
10K
6.21 mi12:35:321:18:5912:4341:26
13:20
#28333
15K
9.32 mi13:17:112:00:3812:5741:39
13:24
#28333
20K
12.43 mi14:01:132:44:4013:1544:02
14:10
#28339
Half
13.11 mi14:10:112:53:3813:158:58
13:09
#28333
25K
15.53 mi14:44:463:28:1313:2434:35
14:16
#28322
30K
18.64 mi15:29:584:13:2513:3645:12
14:33
#28285
20M
20.00 mi15:51:574:35:2413:4621:59
16:11
#28301
21M
21.00 mi16:08:094:51:3613:5316:12
16:12
#28305
35K
21.75 mi16:18:105:01:3713:5210:01
13:23
#28295
23M
23.00 mi16:36:025:19:2913:5317:52
14:16
#28284
24M
24.00 mi16:49:285:32:5513:5213:26
13:26
#28275
40K
24.85 mi17:01:385:45:0513:5312:10
14:14
#28266
25.2M
25.20 mi17:07:245:50:5113:555:46
16:43
#28272
Finish
26.22 mi17:20:516:04:1813:5413:27
13:12
#28266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28252121261212628282(Top 100%)12162(Top 99%)12162(Top 222%)
10K6.21 mi3.10 mi28333-8112181-5512181-5528353(Top 100%)12200(Top 100%)12200(Top 223%)
15K9.32 mi3.11 mi2833312185-412185-428282(Top 100%)12162(Top 99%)12162(Top 222%)
20K12.43 mi3.11 mi28339-612193-812193-828279(Top 100%)12169(Top 100%)12169(Top 223%)
Half13.11 mi0.68 mi28333+612189+412189+428060(Top 99%)12045(Top 99%)12045(Top 220%)
25K15.53 mi2.42 mi28322+1112184+512184+528005(Top 99%)12016(Top 98%)12016(Top 220%)
30K18.64 mi3.11 mi28285+3712168+1612168+1627825(Top 98%)11965(Top 98%)11965(Top 219%)
20M20.00 mi1.36 mi28301-1612179-1112179-1128200(Top 99%)12149(Top 99%)12149(Top 222%)
21M21.00 mi1.00 mi28305-412183-412183-427897(Top 98%)12006(Top 98%)12006(Top 220%)
35K21.75 mi0.75 mi28295+1012178+512178+527284(Top 96%)11735(Top 96%)11735(Top 215%)
23M23.00 mi1.25 mi28284+1112174+412174+427518(Top 97%)11868(Top 97%)11868(Top 217%)
24M24.00 mi1.00 mi28275+912172+212172+227262(Top 96%)11790(Top 96%)11790(Top 216%)
40K24.85 mi0.85 mi28266+912168+412168+427357(Top 96%)11812(Top 97%)11812(Top 216%)
25.2M25.20 mi0.35 mi28272-612172-412172-427982(Top 99%)12104(Top 99%)12104(Top 221%)
Finish26.22 mi1.02 mi28266+612168+412168+427715(Top 98%)11963(Top 98%)11963(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

28282

Females

12162

F18-39

12162

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28353

Females

12200

F18-39

12200

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

28282

Females

12162

F18-39

12162

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

28279

Females

12169

F18-39

12169

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28060

Females

12045

F18-39

12045

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28005

Females

12016

F18-39

12016

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27825

Females

11965

F18-39

11965

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28200

Females

12149

F18-39

12149

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27897

Females

12006

F18-39

12006

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

27284

Females

11735

F18-39

11735

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27518

Females

11868

F18-39

11868

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27262

Females

11790

F18-39

11790

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27357

Females

11812

F18-39

11812

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

27982

Females

12104

F18-39

12104

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27715

Females

11963

F18-39

11963

Passing Analysis

Category:
Athletes Passed
156
Passed By
170
Net Change
-14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28252
5K → 10K889-81#28252#28333
10K → 15K12120#28333#28333
15K → 20K1016-6#28333#28339
20K → Half71+6#28339#28333
Half → 25K154+11#28333#28322
25K → 30K392+37#28322#28285
30K → 20M319-16#28285#28301
20M → 21M48-4#28301#28305
21M → 35K111+10#28305#28295
35K → 23M143+11#28295#28284
23M → 24M112+9#28284#28275
24M → 40K101+9#28275#28266
40K → 25.2M28-6#28266#28272
25.2M → Finish104+6#28272#28266
TOTALS156170-14
📊

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