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BOSTON MARATHON 2025

Sarah Latonas

Bib: 17935•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
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
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:00
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:14:03
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:39:52
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:45:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:05:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:33:09
↑ 181↓ 1480.2%
20M
8:51/mi
2:45:10
↑ 64↓ 500.2%
21M
9:11/mi
2:54:21
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
3:00:46
↑ 17↓ 861.7%
23M
8:51/mi
3:11:51
↑ 23↓ 630.6%
24M
8:35/mi
3:20:26
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:27:48
↓ 200.3%
25.2M
9:31/mi
3:31:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:25/mi
3:39:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:11
Pace8:43 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5024:187:4924:18
7:49
-
10K
6.21 mi11:39:3249:007:5324:42
7:57
+0:08
15K
9.32 mi12:04:351:14:037:5725:03
8:04
+0:07
20K
12.43 mi12:30:241:39:528:0225:49
8:19
+0:15
Half
13.11 mi12:36:011:45:298:035:37
8:14
-0:05
25K
15.53 mi12:56:232:05:518:0620:22
8:24
+0:10
30K
18.64 mi13:23:412:33:098:1327:18
8:47
+0:23
20M
20.00 mi13:35:422:45:108:1512:01
8:51
+0:04
21M
21.00 mi13:44:532:54:218:189:11
9:11
+0:20
35K
21.75 mi13:51:183:00:468:196:25
8:35
-0:36
23M
23.00 mi14:02:233:11:518:2011:05
8:51
+0:16
24M
24.00 mi14:10:583:20:268:218:35
8:35
-0:16
40K
24.85 mi14:18:203:27:488:227:22
8:37
+0:02
25.2M
25.20 mi14:21:373:31:058:233:17
9:31
+0:54
Finish
26.22 mi14:30:123:39:408:238:35
8:25
-1:06

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

7:49 /mi

Average Pace

8:23 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:29

48% of race

Time at Steady Pace

1:18:37

36% of race

Time at Slower Pace

35:34

16% of race

Average Pace: 8:23 /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 mi11:14:5024:187:4924:18
7:49
#15022
10K
6.21 mi11:39:3249:007:5324:42
7:57
#15548
15K
9.32 mi12:04:351:14:037:5725:03
8:04
#15876
20K
12.43 mi12:30:241:39:528:0225:49
8:19
#16218
Half
13.11 mi12:36:011:45:298:035:37
8:14
#16275
25K
15.53 mi12:56:232:05:518:0620:22
8:24
#16335
30K
18.64 mi13:23:412:33:098:1327:18
8:47
#16320
20M
20.00 mi13:35:422:45:108:1512:01
8:51
#16249
21M
21.00 mi13:44:532:54:218:189:11
9:11
#16096
35K
21.75 mi13:51:183:00:468:196:25
8:35
#16060
23M
23.00 mi14:02:233:11:518:2011:05
8:51
#15968
24M
24.00 mi14:10:583:20:268:218:35
8:35
#15915
40K
24.85 mi14:18:203:27:488:227:22
8:37
#15817
25.2M
25.20 mi14:21:373:31:058:233:17
9:31
#15787
Finish
26.22 mi14:30:123:39:408:238:35
8:25
#15785
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi150224543454316518(Top 58%)5450(Top 45%)5450(Top 100%)
10K6.21 mi3.10 mi15548-5264870-3274870-32716083(Top 57%)5171(Top 42%)5171(Top 95%)
15K9.32 mi3.11 mi15876-3285064-1945064-19416518(Top 58%)5450(Top 45%)5450(Top 100%)
20K12.43 mi3.11 mi16218-3425285-2215285-22116995(Top 60%)5769(Top 47%)5769(Top 105%)
Half13.11 mi0.68 mi16275-575319-345319-3417499(Top 62%)6025(Top 49%)6025(Top 110%)
25K15.53 mi2.42 mi16335-605364-455364-4516584(Top 58%)5620(Top 46%)5620(Top 103%)
30K18.64 mi3.11 mi16320+155426-625426-6216521(Top 58%)5749(Top 47%)5749(Top 105%)
20M20.00 mi1.36 mi16249+715406+205406+2015912(Top 56%)5539(Top 45%)5539(Top 101%)
21M21.00 mi1.00 mi16096+1535353+535353+5314564(Top 51%)4930(Top 40%)4930(Top 90%)
35K21.75 mi0.75 mi16060+365357-45357-415953(Top 56%)5744(Top 47%)5744(Top 105%)
23M23.00 mi1.25 mi15968+925352+55352+515421(Top 54%)5555(Top 45%)5555(Top 102%)
24M24.00 mi1.00 mi15915+535330+225330+2215079(Top 53%)5420(Top 44%)5420(Top 99%)
40K24.85 mi0.85 mi15817+985298+325298+3214185(Top 50%)5065(Top 41%)5065(Top 93%)
25.2M25.20 mi0.35 mi15787+305298529814744(Top 52%)5414(Top 44%)5414(Top 99%)
Finish26.22 mi1.02 mi15785+25323-255323-2515750(Top 55%)5882(Top 48%)5882(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16518

Females

5450

F18-39

5450

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16083

Females

5171

F18-39

5171

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16518

Females

5450

F18-39

5450

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16995

Females

5769

F18-39

5769

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17499

Females

6025

F18-39

6025

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16584

Females

5620

F18-39

5620

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16521

Females

5749

F18-39

5749

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15912

Females

5539

F18-39

5539

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14564

Females

4930

F18-39

4930

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15953

Females

5744

F18-39

5744

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15421

Females

5555

F18-39

5555

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15079

Females

5420

F18-39

5420

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14185

Females

5065

F18-39

5065

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14744

Females

5414

F18-39

5414

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15750

Females

5882

F18-39

5882

Passing Analysis

Category:
Athletes Passed
1639
Passed By
2402
Net Change
-763
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15022
5K → 10K135661-526#15022#15548
10K → 15K108436-328#15548#15876
15K → 20K117459-342#15876#16218
20K → Half1673-57#16218#16275
Half → 25K138198-60#16275#16335
25K → 30K244229+15#16335#16320
30K → 20M13059+71#16320#16249
20M → 21M18633+153#16249#16096
21M → 35K8650+36#16096#16060
35K → 23M15058+92#16060#15968
23M → 24M9239+53#15968#15915
24M → 40K12123+98#15915#15817
40K → 25.2M5020+30#15817#15787
25.2M → Finish6664+2#15787#15785
TOTALS16392402-763
📊

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