Boston Marathon logo
BOSTON MARATHON 2025

Sofia Escandon

Bib: 28304•F

MA

0:00
0:00
/ mi
Be the first to cheer!
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
12:45/mi
39:37
↑ 97↓ 3451.5%
10K· 6.21 mi
12:15/mi
1:17:40
↑ 79↓ 1380.4%
15K· 9.32 mi
12:10/mi
1:55:27
↑ 67↓ 78
20K· 12.43 mi
11:31/mi
2:31:13
↑ 106↓ 860.1%
Half· 13.11 mi
10:19/mi
2:38:15
↑ 19↓ 370.5%
25K· 15.53 mi
11:35/mi
3:06:20
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:41:46
↑ 181↓ 1480.2%
20M
12:26/mi
3:58:40
↑ 64↓ 500.2%
21M
11:49/mi
4:10:29
↑ 106↓ 241.6%
35K· 21.75 mi
11:27/mi
4:19:03
↑ 17↓ 861.7%
23M
11:48/mi
4:33:50
↑ 23↓ 630.6%
24M
10:32/mi
4:44:22
↓ 821.3%
40K· 24.85 mi
10:32/mi
4:53:23
↓ 200.3%
25.2M
12:51/mi
4:57:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:26/mi
5:07:26
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half
Distance13.11 mi
Time2:38:15
Pace12:04 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:29:11
Pace11:23 /mi
📊Negative Split: 5.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:03:4439:3712:4539:37
12:45
-
10K
6.21 mi12:41:471:17:4012:3038:03
12:15
-0:30
15K
9.32 mi13:19:341:55:2712:2337:47
12:10
-0:05
20K
12.43 mi13:55:202:31:1312:1035:46
11:31
-0:39
Half
13.11 mi14:02:222:38:1512:047:02
10:19
-1:12
25K
15.53 mi14:30:273:06:2012:0028:05
11:35
+1:16
30K
18.64 mi15:05:533:41:4611:5435:26
11:24
-0:11
20M
20.00 mi15:22:473:58:4011:5616:54
12:26
+1:02
21M
21.00 mi15:34:364:10:2911:5611:49
11:49
-0:37
35K
21.75 mi15:43:104:19:0311:558:34
11:27
-0:22
23M
23.00 mi15:57:574:33:5011:5414:47
11:48
+0:21
24M
24.00 mi16:08:294:44:2211:5110:32
10:32
-1:16
40K
24.85 mi16:17:304:53:2311:489:01
10:32
0:00
25.2M
25.20 mi16:21:564:57:4911:494:26
12:51
+2:19
Finish
26.22 mi16:31:335:07:2611:449:37
9:26
-3:25

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

9:26 /mi

Average Pace

11:44 /mi

Slowest Pace

12:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:12

12% of race

Time at Steady Pace

2:14:27

44% of race

Time at Slower Pace

2:16:47

44% of race

Average Pace: 11:44 /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 mi12:03:4439:3712:4539:37
12:45
#28360
10K
6.21 mi12:41:471:17:4012:3038:03
12:15
#28290
15K
9.32 mi13:19:341:55:2712:2337:47
12:10
#28194
20K
12.43 mi13:55:202:31:1312:1035:46
11:31
#27925
Half
13.11 mi14:02:222:38:1512:047:02
10:19
#27856
25K
15.53 mi14:30:273:06:2012:0028:05
11:35
#27595
30K
18.64 mi15:05:533:41:4611:5435:26
11:24
#27190
20M
20.00 mi15:22:473:58:4011:5616:54
12:26
#27119
21M
21.00 mi15:34:364:10:2911:5611:49
11:49
#26994
35K
21.75 mi15:43:104:19:0311:558:34
11:27
#26967
23M
23.00 mi15:57:574:33:5011:5414:47
11:48
#26865
24M
24.00 mi16:08:294:44:2211:5110:32
10:32
#26753
40K
24.85 mi16:17:304:53:2311:489:01
10:32
#26646
25.2M
25.20 mi16:21:564:57:4911:494:26
12:51
#26627
Finish
26.22 mi16:31:335:07:2611:449:37
9:26
#26523
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 mi28360122001220027734(Top 98%)11822(Top 97%)11822(Top 216%)
10K6.21 mi3.10 mi28290+7012157+4312157+4328070(Top 99%)12021(Top 98%)12021(Top 220%)
15K9.32 mi3.11 mi28194+9612093+6412093+6427734(Top 98%)11822(Top 97%)11822(Top 216%)
20K12.43 mi3.11 mi27925+26911927+16611927+16626642(Top 94%)11182(Top 91%)11182(Top 204%)
Half13.11 mi0.68 mi27856+6911886+4111886+4125458(Top 90%)10530(Top 86%)10530(Top 193%)
25K15.53 mi2.42 mi27595+26111731+15511731+15525960(Top 91%)10843(Top 89%)10843(Top 198%)
30K18.64 mi3.11 mi27190+40511514+21711514+21724704(Top 87%)10241(Top 84%)10241(Top 187%)
20M20.00 mi1.36 mi27119+7111478+3611478+3625831(Top 91%)10920(Top 89%)10920(Top 200%)
21M21.00 mi1.00 mi26994+12511407+7111407+7123230(Top 82%)9623(Top 79%)9623(Top 176%)
35K21.75 mi0.75 mi26967+2711398+911398+925010(Top 88%)10593(Top 87%)10593(Top 194%)
23M23.00 mi1.25 mi26865+10211346+5211346+5224767(Top 87%)10484(Top 86%)10484(Top 192%)
24M24.00 mi1.00 mi26753+11211303+4311303+4322937(Top 81%)9609(Top 79%)9609(Top 176%)
40K24.85 mi0.85 mi26646+10711244+5911244+5922024(Top 78%)9215(Top 75%)9215(Top 168%)
25.2M25.20 mi0.35 mi26627+1911237+711237+724798(Top 87%)10583(Top 87%)10583(Top 194%)
Finish26.22 mi1.02 mi26523+10411179+5811179+5820931(Top 74%)8633(Top 71%)8633(Top 158%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

27734

Females

11822

F18-39

11822

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

28070

Females

12021

F18-39

12021

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

27734

Females

11822

F18-39

11822

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26642

Females

11182

F18-39

11182

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25458

Females

10530

F18-39

10530

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25960

Females

10843

F18-39

10843

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24704

Females

10241

F18-39

10241

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

25831

Females

10920

F18-39

10920

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23230

Females

9623

F18-39

9623

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

25010

Females

10593

F18-39

10593

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24767

Females

10484

F18-39

10484

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22937

Females

9609

F18-39

9609

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22024

Females

9215

F18-39

9215

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24798

Females

10583

F18-39

10583

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

20931

Females

8633

F18-39

8633

Passing Analysis

Category:
Athletes Passed
1861
Passed By
24
Net Change
+1837
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28360
5K → 10K700+70#28360#28290
10K → 15K993+96#28290#28194
15K → 20K2690+269#28194#27925
20K → Half690+69#27925#27856
Half → 25K2621+261#27856#27595
25K → 30K4061+405#27595#27190
30K → 20M776+71#27190#27119
20M → 21M1261+125#27119#26994
21M → 35K303+27#26994#26967
35K → 23M1042+102#26967#26865
23M → 24M1142+112#26865#26753
24M → 40K1070+107#26753#26646
40K → 25.2M223+19#26646#26627
25.2M → Finish1062+104#26627#26523
TOTALS186124+1837
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing