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BOSTON MARATHON 2025

Suzanne Tan

Bib: 28988•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
9:10/mi
28:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:02/mi
56:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:59/mi
1:24:28
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:52:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:58:14
↑ 19↓ 370.5%
25K· 15.53 mi
9:10/mi
2:20:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:15/mi
2:49:13
↑ 181↓ 1480.2%
20M
9:19/mi
3:01:52
↑ 64↓ 500.2%
21M
9:49/mi
3:11:41
↑ 106↓ 241.6%
35K· 21.75 mi
9:00/mi
3:18:25
↑ 17↓ 861.7%
23M
9:20/mi
3:30:06
↑ 23↓ 630.6%
24M
9:08/mi
3:39:14
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:47:02
↓ 200.3%
25.2M
9:52/mi
3:50:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:12/mi
3:58:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:14
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:00:33
Pace9:12 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2428:299:1028:29
9:10
-
10K
6.21 mi12:14:2956:349:0628:05
9:02
-0:08
15K
9.32 mi12:42:231:24:289:0427:54
8:59
-0:03
20K
12.43 mi13:10:121:52:179:0227:49
8:57
-0:02
Half
13.11 mi13:16:091:58:149:015:57
8:43
-0:14
25K
15.53 mi13:38:232:20:289:0322:14
9:10
+0:27
30K
18.64 mi14:07:082:49:139:0528:45
9:15
+0:05
20M
20.00 mi14:19:473:01:529:0612:39
9:19
+0:04
21M
21.00 mi14:29:363:11:419:089:49
9:49
+0:30
35K
21.75 mi14:36:203:18:259:076:44
9:00
-0:49
23M
23.00 mi14:48:013:30:069:0811:41
9:20
+0:20
24M
24.00 mi14:57:093:39:149:089:08
9:08
-0:12
40K
24.85 mi15:04:573:47:029:087:48
9:07
-0:01
25.2M
25.20 mi15:08:213:50:269:093:24
9:52
+0:45
Finish
26.22 mi15:16:423:58:479:078:21
8:12
-1:40

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

8:12 /mi

Average Pace

9:07 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:18

6% of race

Time at Steady Pace

3:19:35

84% of race

Time at Slower Pace

24:54

10% of race

Average Pace: 9:06 /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 mi11:46:2428:299:1028:29
9:10
#23103
10K
6.21 mi12:14:2956:349:0628:05
9:02
#22823
15K
9.32 mi12:42:231:24:289:0427:54
8:59
#22551
20K
12.43 mi13:10:121:52:179:0227:49
8:57
#22080
Half
13.11 mi13:16:091:58:149:015:57
8:43
#22010
25K
15.53 mi13:38:232:20:289:0322:14
9:10
#21744
30K
18.64 mi14:07:082:49:139:0528:45
9:15
#21228
20M
20.00 mi14:19:473:01:529:0612:39
9:19
#20997
21M
21.00 mi14:29:363:11:419:089:49
9:49
#20770
35K
21.75 mi14:36:203:18:259:076:44
9:00
#20675
23M
23.00 mi14:48:013:30:069:0811:41
9:20
#20526
24M
24.00 mi14:57:093:39:149:089:08
9:08
#20451
40K
24.85 mi15:04:573:47:029:087:48
9:07
#20332
25.2M
25.20 mi15:08:213:50:269:093:24
9:52
#20288
Finish
26.22 mi15:16:423:58:479:078:21
8:12
#20124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi231039224922421954(Top 77%)8521(Top 70%)8521(Top 156%)
10K6.21 mi3.10 mi22823+2809060+1649060+16422551(Top 79%)8892(Top 73%)8892(Top 163%)
15K9.32 mi3.11 mi22551+2728882+1788882+17821954(Top 77%)8521(Top 70%)8521(Top 156%)
20K12.43 mi3.11 mi22080+4718639+2438639+24320744(Top 73%)7917(Top 65%)7917(Top 145%)
Half13.11 mi0.68 mi22010+708601+388601+3820529(Top 72%)7777(Top 64%)7777(Top 142%)
25K15.53 mi2.42 mi21744+2668469+1328469+13220654(Top 73%)7902(Top 65%)7902(Top 144%)
30K18.64 mi3.11 mi21228+5168206+2638206+26318923(Top 67%)7081(Top 58%)7081(Top 129%)
20M20.00 mi1.36 mi20997+2318099+1078099+10718363(Top 65%)6936(Top 57%)6936(Top 127%)
21M21.00 mi1.00 mi20770+2277994+1057994+10517588(Top 62%)6587(Top 54%)6587(Top 120%)
35K21.75 mi0.75 mi20675+957961+337961+3318274(Top 64%)7066(Top 58%)7066(Top 129%)
23M23.00 mi1.25 mi20526+1497901+607901+6017956(Top 63%)6971(Top 57%)6971(Top 127%)
24M24.00 mi1.00 mi20451+757875+267875+2618067(Top 64%)7077(Top 58%)7077(Top 129%)
40K24.85 mi0.85 mi20332+1197834+417834+4117026(Top 60%)6609(Top 54%)6609(Top 121%)
25.2M25.20 mi0.35 mi20288+447819+157819+1516480(Top 58%)6341(Top 52%)6341(Top 116%)
Finish26.22 mi1.02 mi20124+1647742+777742+7714282(Top 50%)5106(Top 42%)5106(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21954

Females

8521

F18-39

8521

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22551

Females

8892

F18-39

8892

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21954

Females

8521

F18-39

8521

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20744

Females

7917

F18-39

7917

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20529

Females

7777

F18-39

7777

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20654

Females

7902

F18-39

7902

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

18923

Females

7081

F18-39

7081

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18363

Females

6936

F18-39

6936

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17588

Females

6587

F18-39

6587

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18274

Females

7066

F18-39

7066

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17956

Females

6971

F18-39

6971

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18067

Females

7077

F18-39

7077

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17026

Females

6609

F18-39

6609

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16480

Females

6341

F18-39

6341

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14282

Females

5106

F18-39

5106

Passing Analysis

Category:
Athletes Passed
3317
Passed By
338
Net Change
+2979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23103
5K → 10K391111+280#23103#22823
10K → 15K32957+272#22823#22551
15K → 20K48413+471#22551#22080
20K → Half722+70#22080#22010
Half → 25K30034+266#22010#21744
25K → 30K53418+516#21744#21228
30K → 20M2398+231#21228#20997
20M → 21M23811+227#20997#20770
21M → 35K11015+95#20770#20675
35K → 23M16718+149#20675#20526
23M → 24M9621+75#20526#20451
24M → 40K13011+119#20451#20332
40K → 25.2M5511+44#20332#20288
25.2M → Finish1728+164#20288#20124
TOTALS3317338+2979
📊

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