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BOSTON MARATHON 2025

Sophia Caira

Bib: 26509•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:20/mi
29:01
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
57:18
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:25:49
↑ 67↓ 78
20K· 12.43 mi
9:14/mi
1:54:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:00:49
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:23:56
↑ 66↓ 880.2%
30K· 18.64 mi
10:05/mi
2:55:16
↑ 181↓ 1480.2%
20M
10:04/mi
3:08:57
↑ 64↓ 500.2%
21M
10:35/mi
3:19:32
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:27:03
↑ 17↓ 861.7%
23M
10:10/mi
3:39:47
↑ 23↓ 630.6%
24M
9:57/mi
3:49:44
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:58:24
↓ 200.3%
25.2M
10:26/mi
4:02:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
4:11:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:49
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:10:31
Pace9:57 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4529:019:2029:01
9:20
-
10K
6.21 mi12:13:0257:189:1328:17
9:06
-0:14
15K
9.32 mi12:41:331:25:499:1228:31
9:11
+0:05
20K
12.43 mi13:10:151:54:319:1328:42
9:14
+0:03
Half
13.11 mi13:16:332:00:499:136:18
9:14
0:00
25K
15.53 mi13:39:402:23:569:1623:07
9:32
+0:18
30K
18.64 mi14:11:002:55:169:2431:20
10:05
+0:33
20M
20.00 mi14:24:413:08:579:2713:41
10:04
-0:01
21M
21.00 mi14:35:163:19:329:3010:35
10:35
+0:31
35K
21.75 mi14:42:473:27:039:317:31
10:03
-0:32
23M
23.00 mi14:55:313:39:479:3312:44
10:10
+0:07
24M
24.00 mi15:05:283:49:449:349:57
9:57
-0:13
40K
24.85 mi15:14:083:58:249:368:40
10:08
+0:11
25.2M
25.20 mi15:17:444:02:009:363:36
10:26
+0:18
Finish
26.22 mi15:27:044:11:209:369:20
9:10
-1:16

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

9:06 /mi

Average Pace

9:36 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:13

65% of race

Time at Steady Pace

1:28:07

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:35 /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 mi11:44:4529:019:2029:01
9:20
#23689
10K
6.21 mi12:13:0257:189:1328:17
9:06
#23281
15K
9.32 mi12:41:331:25:499:1228:31
9:11
#23144
20K
12.43 mi13:10:151:54:319:1328:42
9:14
#22846
Half
13.11 mi13:16:332:00:499:136:18
9:14
#22843
25K
15.53 mi13:39:402:23:569:1623:07
9:32
#22678
30K
18.64 mi14:11:002:55:169:2431:20
10:05
#22499
20M
20.00 mi14:24:413:08:579:2713:41
10:04
#22399
21M
21.00 mi14:35:163:19:329:3010:35
10:35
#22262
35K
21.75 mi14:42:473:27:039:317:31
10:03
#22245
23M
23.00 mi14:55:313:39:479:3312:44
10:10
#22160
24M
24.00 mi15:05:283:49:449:349:57
9:57
#22098
40K
24.85 mi15:14:083:58:249:368:40
10:08
#22037
25.2M
25.20 mi15:17:444:02:009:363:36
10:26
#21984
Finish
26.22 mi15:27:044:11:209:369:20
9:10
#21909
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236899523952322784(Top 80%)8988(Top 74%)8988(Top 164%)
10K6.21 mi3.10 mi23281+4089305+2189305+21822838(Top 80%)9036(Top 74%)9036(Top 165%)
15K9.32 mi3.11 mi23144+1379213+929213+9222784(Top 80%)8988(Top 74%)8988(Top 164%)
20K12.43 mi3.11 mi22846+2989035+1789035+17822036(Top 78%)8602(Top 70%)8602(Top 157%)
Half13.11 mi0.68 mi22843+39033+29033+222741(Top 80%)8995(Top 74%)8995(Top 164%)
25K15.53 mi2.42 mi22678+1658965+688965+6821979(Top 77%)8637(Top 71%)8637(Top 158%)
30K18.64 mi3.11 mi22499+1798912+538912+5321847(Top 77%)8695(Top 71%)8695(Top 159%)
20M20.00 mi1.36 mi22399+1008873+398873+3921189(Top 75%)8464(Top 69%)8464(Top 155%)
21M21.00 mi1.00 mi22262+1378809+648809+6420276(Top 71%)8059(Top 66%)8059(Top 147%)
35K21.75 mi0.75 mi22245+178818-98818-922041(Top 78%)9049(Top 74%)9049(Top 165%)
23M23.00 mi1.25 mi22160+858809+98809+921029(Top 74%)8565(Top 70%)8565(Top 157%)
24M24.00 mi1.00 mi22098+628789+208789+2021222(Top 75%)8715(Top 71%)8715(Top 159%)
40K24.85 mi0.85 mi22037+618779+108779+1020907(Top 74%)8616(Top 70%)8616(Top 158%)
25.2M25.20 mi0.35 mi21984+538756+238756+2318847(Top 66%)7558(Top 62%)7558(Top 138%)
Finish26.22 mi1.02 mi21909+758728+288728+2819794(Top 70%)8033(Top 66%)8033(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22784

Females

8988

F18-39

8988

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22838

Females

9036

F18-39

9036

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22784

Females

8988

F18-39

8988

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22036

Females

8602

F18-39

8602

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22741

Females

8995

F18-39

8995

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21979

Females

8637

F18-39

8637

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21847

Females

8695

F18-39

8695

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21189

Females

8464

F18-39

8464

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20276

Females

8059

F18-39

8059

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22041

Females

9049

F18-39

9049

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21029

Females

8565

F18-39

8565

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21222

Females

8715

F18-39

8715

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

20907

Females

8616

F18-39

8616

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18847

Females

7558

F18-39

7558

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19794

Females

8033

F18-39

8033

Passing Analysis

Category:
Athletes Passed
2364
Passed By
584
Net Change
+1780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23689
5K → 10K49284+408#23689#23281
10K → 15K252115+137#23281#23144
15K → 20K34244+298#23144#22846
20K → Half2724+3#22846#22843
Half → 25K22459+165#22843#22678
25K → 30K26990+179#22678#22499
30K → 20M12626+100#22499#22399
20M → 21M15619+137#22399#22262
21M → 35K5235+17#22262#22245
35K → 23M11732+85#22245#22160
23M → 24M7513+62#22160#22098
24M → 40K8423+61#22098#22037
40K → 25.2M585+53#22037#21984
25.2M → Finish9015+75#21984#21909
TOTALS2364584+1780
📊

Passing Visuals

Category:
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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