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BOSTON MARATHON 2025

Sophia Bigio

Bib: 14987•F

VA

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
21:55
Rank: #8262
Start → 5K
7:03/mi
21:55 split
10K· 6.21 mi
44:09
Rank: #8684 (-422)
5K → 10K
7:09/mi
22:14 split
15K· 9.32 mi
1:06:22
Rank: #8661 (+23)
10K → 15K
7:09/mi
22:13 split
20K· 12.43 mi
1:28:39
Rank: #8405 (+256)
15K → 20K
7:10/mi
22:17 split
Half· 13.11 mi
1:33:25
Rank: #8350 (+55)
20K → Half
6:59/mi
4:46 split
25K· 15.53 mi
1:50:27
Rank: #7983 (+367)
Half → 25K
7:02/mi
17:02 split
30K· 18.64 mi
2:12:58
Rank: #7553 (+430)
25K → 30K
7:15/mi
22:31 split
20M
2:22:47
Rank: #7329 (+224)
30K → 20M
7:13/mi
9:49 split
21M
2:30:24
Rank: #7142 (+187)
20M → 21M
7:37/mi
7:37 split
35K· 21.75 mi
2:35:29
Rank: #7003 (+139)
21M → 35K
6:48/mi
5:05 split
23M
2:44:08
Rank: #6641 (+362)
35K → 23M
6:55/mi
8:39 split
24M
2:50:55
Rank: #6443 (+198)
23M → 24M
6:47/mi
6:47 split
40K· 24.85 mi
2:56:46
Rank: #6271 (+172)
24M → 40K
6:51/mi
5:51 split
25.2M
2:59:06
Rank: #6121 (+150)
40K → 25.2M
6:45/mi
2:20 split
Finish· 26.22 mi
3:05:59
Rank: #5981 (+140)
25.2M → Finish
6:45/mi
6:53 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:25
Pace7:08 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:34
Pace7:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0521:557:0321:55
7:03
-
10K
6.21 mi11:16:1944:097:0622:14
7:09
+0:06
15K
9.32 mi11:38:321:06:227:0722:13
7:09
0:00
20K
12.43 mi12:00:491:28:397:0822:17
7:10
+0:01
Half
13.11 mi12:05:351:33:257:084:46
6:59
-0:11
25K
15.53 mi12:22:371:50:277:0717:02
7:02
+0:03
30K
18.64 mi12:45:082:12:587:0822:31
7:15
+0:13
20M
20.00 mi12:54:572:22:477:089:49
7:13
-0:02
21M
21.00 mi13:02:342:30:247:107:37
7:37
+0:24
35K
21.75 mi13:07:392:35:297:095:05
6:48
-0:49
23M
23.00 mi13:16:182:44:087:088:39
6:55
+0:07
24M
24.00 mi13:23:052:50:557:076:47
6:47
-0:08
40K
24.85 mi13:28:562:56:467:075:51
6:51
+0:04
25.2M
25.20 mi13:31:162:59:067:062:20
6:45
-0:06
Finish
26.22 mi13:38:093:05:597:066:53
6:45
0:00

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

6:45 /mi

Average Pace

7:06 /mi

Slowest Pace

7:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:22

96% of race

Time at Steady Pace

7:37

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:54:0521:557:0321:55
7:03
#8262
10K
6.21 mi11:16:1944:097:0622:14
7:09
#8684
15K
9.32 mi11:38:321:06:227:0722:13
7:09
#8661
20K
12.43 mi12:00:491:28:397:0822:17
7:10
#8405
Half
13.11 mi12:05:351:33:257:084:46
6:59
#8350
25K
15.53 mi12:22:371:50:277:0717:02
7:02
#7983
30K
18.64 mi12:45:082:12:587:0822:31
7:15
#7553
20M
20.00 mi12:54:572:22:477:089:49
7:13
#7329
21M
21.00 mi13:02:342:30:247:107:37
7:37
#7142
35K
21.75 mi13:07:392:35:297:095:05
6:48
#7003
23M
23.00 mi13:16:182:44:087:088:39
6:55
#6641
24M
24.00 mi13:23:052:50:557:076:47
6:47
#6443
40K
24.85 mi13:28:562:56:467:075:51
6:51
#6271
25.2M
25.20 mi13:31:162:59:067:062:20
6:45
#6121
Finish
26.22 mi13:38:093:05:597:066:53
6:45
#5981
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8262107910798714(Top 31%)1305(Top 11%)1305(Top 24%)
10K6.21 mi3.10 mi8684-4221248-1691248-1699131(Top 32%)1426(Top 12%)1426(Top 26%)
15K9.32 mi3.11 mi8661+231256-81256-88714(Top 31%)1305(Top 11%)1305(Top 24%)
20K12.43 mi3.11 mi8405+2561186+701186+707988(Top 28%)1095(Top 9%)1095(Top 20%)
Half13.11 mi0.68 mi8350+551168+181168+187528(Top 27%)897(Top 7%)897(Top 16%)
25K15.53 mi2.42 mi7983+3671045+1231045+1236490(Top 23%)714(Top 6%)714(Top 13%)
30K18.64 mi3.11 mi7553+430930+115930+1156161(Top 22%)713(Top 6%)713(Top 13%)
20M20.00 mi1.36 mi7329+224897+33897+335362(Top 19%)602(Top 5%)602(Top 11%)
21M21.00 mi1.00 mi7142+187876+21876+215240(Top 18%)672(Top 5%)672(Top 12%)
35K21.75 mi0.75 mi7003+139844+32844+324138(Top 15%)427(Top 3%)427(Top 8%)
23M23.00 mi1.25 mi6641+362782+62782+623294(Top 12%)292(Top 2%)292(Top 5%)
24M24.00 mi1.00 mi6443+198740+42740+423456(Top 12%)353(Top 3%)353(Top 6%)
40K24.85 mi0.85 mi6271+172713+27713+273105(Top 11%)312(Top 3%)312(Top 6%)
25.2M25.20 mi0.35 mi6121+150682+31682+31837(Top 3%)61(Top 0.5%)61(Top 1%)
Finish26.22 mi1.02 mi5981+140664+18664+184285(Top 15%)639(Top 5%)639(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8714

Females

1305

F18-39

1305

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9131

Females

1426

F18-39

1426

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8714

Females

1305

F18-39

1305

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7988

Females

1095

F18-39

1095

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7528

Females

897

F18-39

897

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6490

Females

714

F18-39

714

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6161

Females

713

F18-39

713

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5362

Females

602

F18-39

602

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5240

Females

672

F18-39

672

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4138

Females

427

F18-39

427

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3294

Females

292

F18-39

292

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3456

Females

353

F18-39

353

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3105

Females

312

F18-39

312

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

837

Females

61

F18-39

61

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4285

Females

639

F18-39

639

Passing Analysis

Category:
Athletes Passed
3051
Passed By
770
Net Change
+2281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8262
5K → 10K76498-422#8262#8684
10K → 15K168145+23#8684#8661
15K → 20K31458+256#8661#8405
20K → Half594+55#8405#8350
Half → 25K3736+367#8350#7983
25K → 30K45424+430#7983#7553
30K → 20M2306+224#7553#7329
20M → 21M20013+187#7329#7142
21M → 35K1401+139#7142#7003
35K → 23M3620+362#7003#6641
23M → 24M1991+198#6641#6443
24M → 40K1742+172#6443#6271
40K → 25.2M1500+150#6271#6121
25.2M → Finish15212+140#6121#5981
TOTALS3051770+2281
📊

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