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BOSTON MARATHON 2025

Jessa Sukalo

Bib: 13280•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
45:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:35
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:31:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:54:06
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:17:34
↑ 181↓ 1480.2%
20M
7:30/mi
2:27:46
↑ 64↓ 500.2%
21M
8:04/mi
2:35:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:41:20
↑ 17↓ 861.7%
23M
7:33/mi
2:50:47
↑ 23↓ 630.6%
24M
7:32/mi
2:58:19
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:04:53
↓ 200.3%
25.2M
9:05/mi
3:08:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:41/mi
3:15:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:22
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1423:027:2523:02
7:25
-
10K
6.21 mi11:16:0745:557:2322:53
7:22
-0:03
15K
9.32 mi11:38:471:08:357:2122:40
7:18
-0:04
20K
12.43 mi12:01:381:31:267:2122:51
7:21
+0:03
Half
13.11 mi12:06:341:36:227:214:56
7:14
-0:07
25K
15.53 mi12:24:181:54:067:2117:44
7:19
+0:05
30K
18.64 mi12:47:462:17:347:2323:28
7:33
+0:14
20M
20.00 mi12:57:582:27:467:2310:12
7:30
-0:03
21M
21.00 mi13:06:022:35:507:258:04
8:04
+0:34
35K
21.75 mi13:11:322:41:207:255:30
7:21
-0:43
23M
23.00 mi13:20:592:50:477:269:27
7:33
+0:12
24M
24.00 mi13:28:312:58:197:267:32
7:32
-0:01
40K
24.85 mi13:35:053:04:537:266:34
7:41
+0:09
25.2M
25.20 mi13:38:133:08:017:283:08
9:05
+1:24
Finish
26.22 mi13:46:033:15:517:297:50
7:41
-1:24

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

7:14 /mi

Average Pace

7:29 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:56

3% of race

Time at Steady Pace

2:59:43

92% of race

Time at Slower Pace

11:12

6% of race

Average Pace: 7:28 /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 mi10:53:1423:027:2523:02
7:25
#11474
10K
6.21 mi11:16:0745:557:2322:53
7:22
#11159
15K
9.32 mi11:38:471:08:357:2122:40
7:18
#10705
20K
12.43 mi12:01:381:31:267:2122:51
7:21
#10371
Half
13.11 mi12:06:341:36:227:214:56
7:14
#10305
25K
15.53 mi12:24:181:54:067:2117:44
7:19
#9956
30K
18.64 mi12:47:462:17:347:2323:28
7:33
#9530
20M
20.00 mi12:57:582:27:467:2310:12
7:30
#9295
21M
21.00 mi13:06:022:35:507:258:04
8:04
#9162
35K
21.75 mi13:11:322:41:207:255:30
7:21
#9078
23M
23.00 mi13:20:592:50:477:269:27
7:33
#8868
24M
24.00 mi13:28:312:58:197:267:32
7:32
#8790
40K
24.85 mi13:35:053:04:537:266:34
7:41
#8707
25.2M
25.20 mi13:38:133:08:017:283:08
9:05
#8758
Finish
26.22 mi13:46:033:15:517:297:50
7:41
#8827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11474251425149965(Top 35%)1877(Top 15%)1877(Top 34%)
10K6.21 mi3.10 mi11159+3152375+1392375+13910882(Top 38%)2242(Top 18%)2242(Top 41%)
15K9.32 mi3.11 mi10705+4542183+1922183+1929965(Top 35%)1877(Top 15%)1877(Top 34%)
20K12.43 mi3.11 mi10371+3342040+1432040+1439520(Top 34%)1747(Top 14%)1747(Top 32%)
Half13.11 mi0.68 mi10305+662019+212019+219447(Top 33%)1690(Top 14%)1690(Top 31%)
25K15.53 mi2.42 mi9956+3491880+1391880+1398494(Top 30%)1423(Top 12%)1423(Top 26%)
30K18.64 mi3.11 mi9530+4261741+1391741+1398123(Top 29%)1445(Top 12%)1445(Top 26%)
20M20.00 mi1.36 mi9295+2351673+681673+687082(Top 25%)1182(Top 10%)1182(Top 22%)
21M21.00 mi1.00 mi9162+1331643+301643+307777(Top 27%)1623(Top 13%)1623(Top 30%)
35K21.75 mi0.75 mi9078+841631+121631+127609(Top 27%)1538(Top 13%)1538(Top 28%)
23M23.00 mi1.25 mi8868+2101587+441587+446935(Top 24%)1373(Top 11%)1373(Top 25%)
24M24.00 mi1.00 mi8790+781588-11588-17964(Top 28%)1849(Top 15%)1849(Top 34%)
40K24.85 mi0.85 mi8707+831595-71595-77983(Top 28%)1975(Top 16%)1975(Top 36%)
25.2M25.20 mi0.35 mi8758-511631-361631-3612288(Top 43%)4087(Top 33%)4087(Top 75%)
Finish26.22 mi1.02 mi8827-691694-631694-6310621(Top 37%)3266(Top 27%)3266(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9965

Females

1877

F18-39

1877

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10882

Females

2242

F18-39

2242

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9965

Females

1877

F18-39

1877

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9520

Females

1747

F18-39

1747

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9447

Females

1690

F18-39

1690

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8494

Females

1423

F18-39

1423

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8123

Females

1445

F18-39

1445

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

7082

Females

1182

F18-39

1182

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7777

Females

1623

F18-39

1623

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7609

Females

1538

F18-39

1538

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6935

Females

1373

F18-39

1373

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7964

Females

1849

F18-39

1849

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7983

Females

1975

F18-39

1975

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12288

Females

4087

F18-39

4087

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10621

Females

3266

F18-39

3266

Passing Analysis

Category:
Athletes Passed
3246*
Passed By
599
Net Change
+2647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11474
5K → 10K448133+315#11474#11159
10K → 15K47824+454#11159#10705
15K → 20K36531+334#10705#10371
20K → Half748+66#10371#10305
Half → 25K360*11+349#10305#9956
25K → 30K46842+426#9956#9530
30K → 20M24510+235#9530#9295
20M → 21M16633+133#9295#9162
21M → 35K9612+84#9162#9078
35K → 23M23323+210#9078#8868
23M → 24M12143+78#8868#8790
24M → 40K11835+83#8790#8707
40K → 25.2M2172-51#8707#8758
25.2M → Finish53122-69#8758#8827
TOTALS3246*599+2647

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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