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BOSTON MARATHON 2025

Charlotte Blair

Bib: 14282•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:31
Rank: #7269
Start → 5K
21:31 | 6:56/mi
10K· 6.21 mi
42:42
Rank: #6958 (+311)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:32
Rank: #6367 (+591)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:24:41
Rank: #6071 (+296)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:29:13
Rank: #6006 (+65)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:44
Rank: #5778 (+228)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:07:45
Rank: #5614 (+164)
25K → 30K
22:01 | 7:05/mi
20M
2:17:33
Rank: #5584 (+30)
30K → 20M
9:48 | 7:13/mi
21M
2:25:29
Rank: #5627 (-43)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:30:50
Rank: #5627
21M → 35K
5:21 | 7:09/mi
23M
2:40:28
Rank: #5659 (-32)
35K → 23M
9:38 | 7:42/mi
24M
2:47:58
Rank: #5692 (-33)
23M → 24M
7:30 | 7:30/mi
40K· 24.85 mi
2:54:31
Rank: #5698 (-6)
24M → 40K
6:33 | 7:40/mi
25.2M
2:57:40
Rank: #5765 (-67)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:05:36
Rank: #5885 (-120)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:13
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5421:316:5621:31
6:56
-
10K
6.21 mi11:13:0542:426:5221:11
6:49
-0:07
15K
9.32 mi11:33:551:03:326:4920:50
6:42
-0:07
20K
12.43 mi11:55:041:24:416:4921:09
6:48
+0:06
Half
13.11 mi11:59:361:29:136:484:32
6:39
-0:09
25K
15.53 mi12:16:071:45:446:4816:31
6:49
+0:10
30K
18.64 mi12:38:082:07:456:5122:01
7:05
+0:16
20M
20.00 mi12:47:562:17:336:539:48
7:13
+0:08
21M
21.00 mi12:55:522:25:296:567:56
7:56
+0:43
35K
21.75 mi13:01:132:30:506:565:21
7:09
-0:47
23M
23.00 mi13:10:512:40:286:599:38
7:42
+0:33
24M
24.00 mi13:18:212:47:587:007:30
7:30
-0:12
40K
24.85 mi13:24:542:54:317:016:33
7:40
+0:10
25.2M
25.20 mi13:28:032:57:407:033:09
9:08
+1:28
Finish
26.22 mi13:35:593:05:367:057:56
7:47
-1:21

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

6:39 /mi

Average Pace

7:05 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:13

45% of race

Time at Steady Pace

58:41

32% of race

Time at Slower Pace

42:42

23% of race

Average Pace: 7:05 /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 mi10:51:5421:316:5621:31
6:56
#7269
10K
6.21 mi11:13:0542:426:5221:11
6:49
#6958
15K
9.32 mi11:33:551:03:326:4920:50
6:42
#6367
20K
12.43 mi11:55:041:24:416:4921:09
6:48
#6071
Half
13.11 mi11:59:361:29:136:484:32
6:39
#6006
25K
15.53 mi12:16:071:45:446:4816:31
6:49
#5778
30K
18.64 mi12:38:082:07:456:5122:01
7:05
#5614
20M
20.00 mi12:47:562:17:336:539:48
7:13
#5584
21M
21.00 mi12:55:522:25:296:567:56
7:56
#5627
35K
21.75 mi13:01:132:30:506:565:21
7:09
#5627
23M
23.00 mi13:10:512:40:286:599:38
7:42
#5659
24M
24.00 mi13:18:212:47:587:007:30
7:30
#5692
40K
24.85 mi13:24:542:54:317:016:33
7:40
#5698
25.2M
25.20 mi13:28:032:57:407:033:09
9:08
#5765
Finish
26.22 mi13:35:593:05:367:057:56
7:47
#5885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72697577575151(Top 18%)373(Top 3%)373(Top 7%)
10K6.21 mi3.10 mi6958+311681+76681+766616(Top 23%)623(Top 5%)623(Top 11%)
15K9.32 mi3.11 mi6367+591555+126555+1265151(Top 18%)373(Top 3%)373(Top 7%)
20K12.43 mi3.11 mi6071+296517+38517+385391(Top 19%)436(Top 4%)436(Top 8%)
Half13.11 mi0.68 mi6006+65506+11506+114907(Top 17%)355(Top 3%)355(Top 6%)
25K15.53 mi2.42 mi5778+228477+29477+294991(Top 18%)398(Top 3%)398(Top 7%)
30K18.64 mi3.11 mi5614+164470+7470+75252(Top 18%)500(Top 4%)500(Top 9%)
20M20.00 mi1.36 mi5584+30471-1471-15282(Top 19%)578(Top 5%)578(Top 11%)
21M21.00 mi1.00 mi5627-43491-20491-206997(Top 25%)1295(Top 11%)1295(Top 24%)
35K21.75 mi0.75 mi5627499-8499-86312(Top 22%)1020(Top 8%)1020(Top 19%)
23M23.00 mi1.25 mi5659-32528-29528-297873(Top 28%)1761(Top 14%)1761(Top 32%)
24M24.00 mi1.00 mi5692-33555-27555-277700(Top 27%)1733(Top 14%)1733(Top 32%)
40K24.85 mi0.85 mi5698-6567-12567-127842(Top 28%)1907(Top 16%)1907(Top 35%)
25.2M25.20 mi0.35 mi5765-67595-28595-2812560(Top 44%)4239(Top 35%)4239(Top 78%)
Finish26.22 mi1.02 mi5885-120637-42637-4211325(Top 40%)3611(Top 30%)3611(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5151

Females

373

F18-39

373

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6616

Females

623

F18-39

623

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5151

Females

373

F18-39

373

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5391

Females

436

F18-39

436

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4907

Females

355

F18-39

355

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4991

Females

398

F18-39

398

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5252

Females

500

F18-39

500

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5282

Females

578

F18-39

578

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6997

Females

1295

F18-39

1295

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6312

Females

1020

F18-39

1020

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7873

Females

1761

F18-39

1761

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7700

Females

1733

F18-39

1733

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7842

Females

1907

F18-39

1907

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12560

Females

4239

F18-39

4239

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11325

Females

3611

F18-39

3611

Passing Analysis

Category:
Athletes Passed
2257
Passed By
873
Net Change
+1384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7269
5K → 10K38978+311#7269#6958
10K → 15K5987+591#6958#6367
15K → 20K32024+296#6367#6071
20K → Half661+65#6071#6006
Half → 25K24719+228#6006#5778
25K → 30K25692+164#5778#5614
30K → 20M8353+30#5614#5584
20M → 21M5497-43#5584#5627
21M → 35K35350#5627#5627
35K → 23M74106-32#5627#5659
23M → 24M4477-33#5659#5692
24M → 40K4753-6#5692#5698
40K → 25.2M2188-67#5698#5765
25.2M → Finish23143-120#5765#5885
TOTALS2257873+1384
📊

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