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BOSTON MARATHON 2025

Caroline Lee

Bib: 3793•F

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #4022
Start → 5K
20:16 | 6:31/mi
10K· 6.21 mi
40:35
Rank: #4001 (+21)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:00:51
Rank: #3880 (+121)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:21:06
Rank: #3691 (+189)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:25:35
Rank: #3706 (-15)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:31
Rank: #3611 (+95)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:02:03
Rank: #3318 (+293)
25K → 30K
20:32 | 6:37/mi
20M
2:10:58
Rank: #3153 (+165)
30K → 20M
8:55 | 6:34/mi
21M
2:17:42
Rank: #2993 (+160)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:22:28
Rank: #2907 (+86)
21M → 35K
4:46 | 6:22/mi
23M
2:30:38
Rank: #2791 (+116)
35K → 23M
8:10 | 6:31/mi
24M
2:37:03
Rank: #2698 (+93)
23M → 24M
6:25 | 6:25/mi
40K· 24.85 mi
2:42:39
Rank: #2628 (+70)
24M → 40K
5:36 | 6:33/mi
25.2M
2:45:08
Rank: #2603 (+25)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:51:42
Rank: #2577 (+26)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:35
Pace6:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:3920:166:3120:16
6:31
-
10K
6.21 mi10:40:5840:356:3220:19
6:32
+0:01
15K
9.32 mi11:01:141:00:516:3220:16
6:31
-0:01
20K
12.43 mi11:21:291:21:066:3220:15
6:31
0:00
Half
13.11 mi11:25:581:25:356:324:29
6:34
+0:03
25K
15.53 mi11:41:541:41:316:3215:56
6:34
0:00
30K
18.64 mi12:02:262:02:036:3320:32
6:37
+0:03
20M
20.00 mi12:11:212:10:586:338:55
6:34
-0:03
21M
21.00 mi12:18:052:17:426:336:44
6:44
+0:10
35K
21.75 mi12:22:512:22:286:334:46
6:22
-0:22
23M
23.00 mi12:31:012:30:386:338:10
6:31
+0:09
24M
24.00 mi12:37:262:37:036:336:25
6:25
-0:06
40K
24.85 mi12:43:022:42:396:335:36
6:33
+0:08
25.2M
25.20 mi12:45:312:45:086:332:29
7:12
+0:39
Finish
26.22 mi12:52:052:51:426:336:34
6:27
-0:45

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

6:22 /mi

Average Pace

6:33 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:13

99% of race

Time at Steady Pace

2:29

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:20:3920:166:3120:16
6:31
#4022
10K
6.21 mi10:40:5840:356:3220:19
6:32
#4001
15K
9.32 mi11:01:141:00:516:3220:16
6:31
#3880
20K
12.43 mi11:21:291:21:066:3220:15
6:31
#3691
Half
13.11 mi11:25:581:25:356:324:29
6:34
#3706
25K
15.53 mi11:41:541:41:316:3215:56
6:34
#3611
30K
18.64 mi12:02:262:02:036:3320:32
6:37
#3318
20M
20.00 mi12:11:212:10:586:338:55
6:34
#3153
21M
21.00 mi12:18:052:17:426:336:44
6:44
#2993
35K
21.75 mi12:22:512:22:286:334:46
6:22
#2907
23M
23.00 mi12:31:012:30:386:338:10
6:31
#2791
24M
24.00 mi12:37:262:37:036:336:25
6:25
#2698
40K
24.85 mi12:43:022:42:396:335:36
6:33
#2628
25.2M
25.20 mi12:45:312:45:086:332:29
7:12
#2603
Finish
26.22 mi12:52:052:51:426:336:34
6:27
#2577
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi40222192193719(Top 13%)200(Top 2%)200(Top 4%)
10K6.21 mi3.10 mi4001+21213+6213+64016(Top 14%)227(Top 2%)227(Top 4%)
15K9.32 mi3.11 mi3880+121212+1212+13719(Top 13%)200(Top 2%)200(Top 4%)
20K12.43 mi3.11 mi3691+189196+16196+163240(Top 11%)161(Top 1%)161(Top 3%)
Half13.11 mi0.68 mi3706-15197-1197-14250(Top 15%)252(Top 2%)252(Top 5%)
25K15.53 mi2.42 mi3611+95190+7190+73301(Top 12%)168(Top 1%)168(Top 3%)
30K18.64 mi3.11 mi3318+293170+20170+202459(Top 9%)125(Top 1%)125(Top 2%)
20M20.00 mi1.36 mi3153+165158+12158+121890(Top 7%)96(Top 0.8%)96(Top 2%)
21M21.00 mi1.00 mi2993+160147+11147+111334(Top 5%)66(Top 0.5%)66(Top 1%)
35K21.75 mi0.75 mi2907+86144+3144+31948(Top 7%)114(Top 0.9%)114(Top 2%)
23M23.00 mi1.25 mi2791+116137+7137+71558(Top 5%)94(Top 0.8%)94(Top 2%)
24M24.00 mi1.00 mi2698+93135+2135+21750(Top 6%)109(Top 0.9%)109(Top 2%)
40K24.85 mi0.85 mi2628+70131+4131+41821(Top 6%)132(Top 1%)132(Top 2%)
25.2M25.20 mi0.35 mi2603+25130+1130+12214(Top 8%)207(Top 2%)207(Top 4%)
Finish26.22 mi1.02 mi2577+26129+1129+12556(Top 9%)224(Top 2%)224(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3719

Females

200

F18-39

200

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4016

Females

227

F18-39

227

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3719

Females

200

F18-39

200

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3240

Females

161

F18-39

161

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4250

Females

252

F18-39

252

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3301

Females

168

F18-39

168

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2459

Females

125

F18-39

125

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1890

Females

96

F18-39

96

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1334

Females

66

F18-39

66

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1948

Females

114

F18-39

114

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1558

Females

94

F18-39

94

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1750

Females

109

F18-39

109

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1821

Females

132

F18-39

132

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2214

Females

207

F18-39

207

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2556

Females

224

F18-39

224

Passing Analysis

Category:
Athletes Passed
1746
Passed By
301
Net Change
+1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4022
5K → 10K171150+21#4022#4001
10K → 15K15736+121#4001#3880
15K → 20K20516+189#3880#3691
20K → Half1025-15#3691#3706
Half → 25K11823+95#3706#3611
25K → 30K3029+293#3611#3318
30K → 20M1661+165#3318#3153
20M → 21M1600+160#3153#2993
21M → 35K882+86#2993#2907
35K → 23M1204+116#2907#2791
23M → 24M985+93#2791#2698
24M → 40K766+70#2698#2628
40K → 25.2M305+25#2628#2603
25.2M → Finish4519+26#2603#2577
TOTALS1746301+1445
📊

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