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BOSTON MARATHON 2025

Suping Deng

Bib: 21230•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 48%
Division (F55-59)
#0 / 994
Top 30%
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
8:12/mi
25:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:27/mi
51:43
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:18:41
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:46:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:39/mi
1:52:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:13:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:42:16
↑ 181↓ 1480.2%
20M
9:24/mi
2:55:02
↑ 64↓ 500.2%
21M
9:55/mi
3:04:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:17/mi
3:11:09
↑ 17↓ 861.7%
23M
9:16/mi
3:22:45
↑ 23↓ 630.6%
24M
8:52/mi
3:31:37
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:39:30
↓ 200.3%
25.2M
10:09/mi
3:43:00
↑ 13↓ 160.2%
Finish· 26.22 mi
8:45/mi
3:51:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:11
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time1:59:44
Pace9:08 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0425:298:1225:29
8:12
-
10K
6.21 mi11:45:1851:438:1926:14
8:27
+0:15
15K
9.32 mi12:12:161:18:418:2726:58
8:41
+0:14
20K
12.43 mi12:39:521:46:178:3327:36
8:53
+0:12
Half
13.11 mi12:45:461:52:118:335:54
8:39
-0:14
25K
15.53 mi13:07:122:13:378:3621:26
8:50
+0:11
30K
18.64 mi13:35:512:42:168:4228:39
9:13
+0:23
20M
20.00 mi13:48:372:55:028:4512:46
9:24
+0:11
21M
21.00 mi13:58:323:04:578:489:55
9:55
+0:31
35K
21.75 mi14:04:443:11:098:476:12
8:17
-1:38
23M
23.00 mi14:16:203:22:458:4911:36
9:16
+0:59
24M
24.00 mi14:25:123:31:378:498:52
8:52
-0:24
40K
24.85 mi14:33:053:39:308:507:53
9:13
+0:21
25.2M
25.20 mi14:36:353:43:008:513:30
10:09
+0:56
Finish
26.22 mi14:45:303:51:558:518:55
8:45
-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

8:12 /mi

Average Pace

8:51 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

57:55

25% of race

Time at Steady Pace

1:39:41

43% of race

Time at Slower Pace

1:14:19

32% of race

Average Pace: 8:51 /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 mi11:19:0425:298:1225:29
8:12
#18134
10K
6.21 mi11:45:1851:438:1926:14
8:27
#18761
15K
9.32 mi12:12:161:18:418:2726:58
8:41
#19307
20K
12.43 mi12:39:521:46:178:3327:36
8:53
#19601
Half
13.11 mi12:45:461:52:118:335:54
8:39
#19624
25K
15.53 mi13:07:122:13:378:3621:26
8:50
#19518
30K
18.64 mi13:35:512:42:168:4228:39
9:13
#19347
20M
20.00 mi13:48:372:55:028:4512:46
9:24
#19298
21M
21.00 mi13:58:323:04:578:489:55
9:55
#19215
35K
21.75 mi14:04:443:11:098:476:12
8:17
#19046
23M
23.00 mi14:16:203:22:458:4911:36
9:16
#18961
24M
24.00 mi14:25:123:31:378:498:52
8:52
#18858
40K
24.85 mi14:33:053:39:308:507:53
9:13
#18803
25.2M
25.20 mi14:36:353:43:008:513:30
10:09
#18779
Finish
26.22 mi14:45:303:51:558:518:55
8:45
#18726
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi181346429642920373(Top 72%)7639(Top 62%)7639(Top 769%)
10K6.21 mi3.10 mi18761-6276773-3446773-34419484(Top 69%)7163(Top 59%)7163(Top 721%)
15K9.32 mi3.11 mi19307-5467065-2927065-29220373(Top 72%)7639(Top 62%)7639(Top 769%)
20K12.43 mi3.11 mi19601-2947244-1797244-17920384(Top 72%)7699(Top 63%)7699(Top 775%)
Half13.11 mi0.68 mi19624-237262-187262-1820074(Top 71%)7514(Top 61%)7514(Top 756%)
25K15.53 mi2.42 mi19518+1067209+537209+5319160(Top 67%)7055(Top 58%)7055(Top 710%)
30K18.64 mi3.11 mi19347+1717157+527157+5218746(Top 66%)6980(Top 57%)6980(Top 702%)
20M20.00 mi1.36 mi19298+497153+47153+418736(Top 66%)7126(Top 58%)7126(Top 717%)
21M21.00 mi1.00 mi19215+837123+307123+3017999(Top 63%)6793(Top 56%)6793(Top 683%)
35K21.75 mi0.75 mi19046+1697047+767047+7614239(Top 50%)4827(Top 39%)4827(Top 486%)
23M23.00 mi1.25 mi18961+857027+207027+2017641(Top 62%)6813(Top 56%)6813(Top 685%)
24M24.00 mi1.00 mi18858+1036991+366991+3616701(Top 59%)6326(Top 52%)6326(Top 636%)
40K24.85 mi0.85 mi18803+556994-36994-317474(Top 62%)6850(Top 56%)6850(Top 689%)
25.2M25.20 mi0.35 mi18779+246988+66988+617737(Top 62%)6989(Top 57%)6989(Top 703%)
Finish26.22 mi1.02 mi18726+536975+136975+1317805(Top 63%)6988(Top 57%)6988(Top 703%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20373

Females

7639

F55-59

7639

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19484

Females

7163

F55-59

7163

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20373

Females

7639

F55-59

7639

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20384

Females

7699

F55-59

7699

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20074

Females

7514

F55-59

7514

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

19160

Females

7055

F55-59

7055

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18746

Females

6980

F55-59

6980

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18736

Females

7126

F55-59

7126

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

17999

Females

6793

F55-59

6793

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14239

Females

4827

F55-59

4827

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17641

Females

6813

F55-59

6813

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16701

Females

6326

F55-59

6326

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

17474

Females

6850

F55-59

6850

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17737

Females

6989

F55-59

6989

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17805

Females

6988

F55-59

6988

Passing Analysis

Category:
Athletes Passed
1717
Passed By
2309
Net Change
-592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18134
5K → 10K87714-627#18134#18761
10K → 15K64610-546#18761#19307
15K → 20K115409-294#19307#19601
20K → Half2346-23#19601#19624
Half → 25K215109+106#19624#19518
25K → 30K293122+171#19518#19347
30K → 20M12879+49#19347#19298
20M → 21M14259+83#19298#19215
21M → 35K1734+169#19215#19046
35K → 23M12742+85#19046#18961
23M → 24M12825+103#18961#18858
24M → 40K9540+55#18858#18803
40K → 25.2M3410+24#18803#18779
25.2M → Finish9340+53#18779#18726
TOTALS17172309-592
📊

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