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BOSTON MARATHON 2025

Larissa Salazar

Bib: 17182•F

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
10:14/mi
31:47
↑ 97↓ 3451.5%
10K· 6.21 mi
10:53/mi
1:05:36
↑ 79↓ 1380.4%
15K· 9.32 mi
11:37/mi
1:41:41
↑ 67↓ 78
20K· 12.43 mi
12:12/mi
2:19:34
↑ 106↓ 860.1%
Half· 13.11 mi
10:39/mi
2:26:50
↑ 19↓ 370.5%
25K· 15.53 mi
12:31/mi
2:57:12
↑ 66↓ 880.2%
30K· 18.64 mi
13:16/mi
3:38:24
↑ 181↓ 1480.2%
20M
12:38/mi
3:55:34
↑ 64↓ 500.2%
21M
13:40/mi
4:09:14
↑ 106↓ 241.6%
35K· 21.75 mi
11:54/mi
4:18:08
↑ 17↓ 861.7%
23M
12:02/mi
4:33:12
↑ 23↓ 630.6%
24M
11:54/mi
4:45:06
↓ 821.3%
40K· 24.85 mi
11:54/mi
4:55:16
↓ 200.3%
25.2M
12:17/mi
4:59:30
↑ 13↓ 160.2%
Finish· 26.22 mi
10:36/mi
5:10:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:50
Pace11:12 /mi
2nd Half
Distance13.11 mi
Time2:43:28
Pace12:28 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:2531:4710:1431:47
10:14
-
10K
6.21 mi12:31:141:05:3610:3333:49
10:53
+0:39
15K
9.32 mi13:07:191:41:4110:5536:05
11:37
+0:44
20K
12.43 mi13:45:122:19:3411:1437:53
12:12
+0:35
Half
13.11 mi13:52:282:26:5011:127:16
10:39
-1:33
25K
15.53 mi14:22:502:57:1211:2430:22
12:31
+1:52
30K
18.64 mi15:04:023:38:2411:4341:12
13:16
+0:45
20M
20.00 mi15:21:123:55:3411:4717:10
12:38
-0:38
21M
21.00 mi15:34:524:09:1411:5213:40
13:40
+1:02
35K
21.75 mi15:43:464:18:0811:528:54
11:54
-1:46
23M
23.00 mi15:58:504:33:1211:5315:04
12:02
+0:08
24M
24.00 mi16:10:444:45:0611:5311:54
11:54
-0:08
40K
24.85 mi16:20:544:55:1611:5310:10
11:54
0:00
25.2M
25.20 mi16:25:084:59:3011:534:14
12:17
+0:23
Finish
26.22 mi16:35:565:10:1811:5110:48
10:36
-1:41

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

10:14 /mi

Average Pace

11:51 /mi

Slowest Pace

13:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:40

27% of race

Time at Steady Pace

2:04:14

40% of race

Time at Slower Pace

1:42:24

33% of race

Average Pace: 11:50 /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 mi11:57:2531:4710:1431:47
10:14
#26129
10K
6.21 mi12:31:141:05:3610:3333:49
10:53
#26595
15K
9.32 mi13:07:191:41:4110:5536:05
11:37
#26948
20K
12.43 mi13:45:122:19:3411:1437:53
12:12
#27075
Half
13.11 mi13:52:282:26:5011:127:16
10:39
#27022
25K
15.53 mi14:22:502:57:1211:2430:22
12:31
#27018
30K
18.64 mi15:04:023:38:2411:4341:12
13:16
#27033
20M
20.00 mi15:21:123:55:3411:4717:10
12:38
#26973
21M
21.00 mi15:34:524:09:1411:5213:40
13:40
#26947
35K
21.75 mi15:43:464:18:0811:528:54
11:54
#26914
23M
23.00 mi15:58:504:33:1211:5315:04
12:02
#26837
24M
24.00 mi16:10:444:45:0611:5311:54
11:54
#26785
40K
24.85 mi16:20:544:55:1611:5310:10
11:54
#26738
25.2M
25.20 mi16:25:084:59:3011:534:14
12:17
#26707
Finish
26.22 mi16:35:565:10:1811:5110:48
10:36
#26658
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 mi26129108301083027329(Top 96%)11573(Top 95%)11573(Top 212%)
10K6.21 mi3.10 mi26595-46611102-27211102-27226894(Top 95%)11305(Top 92%)11305(Top 207%)
15K9.32 mi3.11 mi26948-35311326-22411326-22427329(Top 96%)11573(Top 95%)11573(Top 212%)
20K12.43 mi3.11 mi27075-12711415-8911415-8927269(Top 96%)11565(Top 95%)11565(Top 211%)
Half13.11 mi0.68 mi27022+5311386+2911386+2926010(Top 92%)10834(Top 89%)10834(Top 198%)
25K15.53 mi2.42 mi27018+411393-711393-726948(Top 95%)11395(Top 93%)11395(Top 208%)
30K18.64 mi3.11 mi27033-1511411-1811411-1826925(Top 95%)11446(Top 94%)11446(Top 209%)
20M20.00 mi1.36 mi26973+6011385+2611385+2626055(Top 92%)11041(Top 90%)11041(Top 202%)
21M21.00 mi1.00 mi26947+2611381+411381+425836(Top 91%)10964(Top 90%)10964(Top 200%)
35K21.75 mi0.75 mi26914+3311360+2111360+2125690(Top 90%)10945(Top 90%)10945(Top 200%)
23M23.00 mi1.25 mi26837+7711333+2711333+2725158(Top 89%)10683(Top 87%)10683(Top 195%)
24M24.00 mi1.00 mi26785+5211318+1511318+1525527(Top 90%)10888(Top 89%)10888(Top 199%)
40K24.85 mi0.85 mi26738+4711298+2011298+2024753(Top 87%)10552(Top 86%)10552(Top 193%)
25.2M25.20 mi0.35 mi26707+3111283+1511283+1523710(Top 83%)10042(Top 82%)10042(Top 184%)
Finish26.22 mi1.02 mi26658+4911264+1911264+1924489(Top 86%)10405(Top 85%)10405(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27329

Females

11573

F18-39

11573

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

26894

Females

11305

F18-39

11305

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27329

Females

11573

F18-39

11573

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27269

Females

11565

F18-39

11565

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

26010

Females

10834

F18-39

10834

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26948

Females

11395

F18-39

11395

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26925

Females

11446

F18-39

11446

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26055

Females

11041

F18-39

11041

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25836

Females

10964

F18-39

10964

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25690

Females

10945

F18-39

10945

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25158

Females

10683

F18-39

10683

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25527

Females

10888

F18-39

10888

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24753

Females

10552

F18-39

10552

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23710

Females

10042

F18-39

10042

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24489

Females

10405

F18-39

10405

Passing Analysis

Category:
Athletes Passed
766
Passed By
1295
Net Change
-529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26129
5K → 10K48514-466#26129#26595
10K → 15K38391-353#26595#26948
15K → 20K64191-127#26948#27075
20K → Half574+53#27075#27022
Half → 25K6662+4#27022#27018
25K → 30K7388-15#27018#27033
30K → 20M688+60#27033#26973
20M → 21M4014+26#26973#26947
21M → 35K374+33#26947#26914
35K → 23M814+77#26914#26837
23M → 24M6311+52#26837#26785
24M → 40K470+47#26785#26738
40K → 25.2M321+31#26738#26707
25.2M → Finish523+49#26707#26658
TOTALS7661295-529
📊

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