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BOSTON MARATHON 2025

Li Ding

Bib: 22416•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
8:42/mi
27:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
53:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:18/mi
1:18:57
↑ 67↓ 78
20K· 12.43 mi
8:10/mi
1:44:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:49:40
↑ 19↓ 370.5%
25K· 15.53 mi
8:03/mi
2:09:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:19/mi
2:35:00
↑ 181↓ 1480.2%
20M
8:26/mi
2:46:28
↑ 64↓ 500.2%
21M
9:01/mi
2:55:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
3:01:26
↑ 17↓ 861.7%
23M
8:22/mi
3:11:55
↑ 23↓ 630.6%
24M
8:22/mi
3:20:17
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:27:32
↓ 200.3%
25.2M
9:23/mi
3:30:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:39:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:50
Pace8:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5827:018:4227:01
8:42
-
10K
6.21 mi11:50:0753:108:3326:09
8:25
-0:17
15K
9.32 mi12:15:541:18:578:2825:47
8:18
-0:07
20K
12.43 mi12:41:161:44:198:2425:22
8:10
-0:08
Half
13.11 mi12:46:371:49:408:225:21
7:50
-0:20
25K
15.53 mi13:06:072:09:108:1919:30
8:03
+0:13
30K
18.64 mi13:31:572:35:008:1925:50
8:19
+0:16
20M
20.00 mi13:43:252:46:288:1911:28
8:26
+0:07
21M
21.00 mi13:52:262:55:298:219:01
9:01
+0:35
35K
21.75 mi13:58:233:01:268:215:57
7:57
-1:04
23M
23.00 mi14:08:523:11:558:2110:29
8:22
+0:25
24M
24.00 mi14:17:143:20:178:218:22
8:22
0:00
40K
24.85 mi14:24:293:27:328:217:15
8:29
+0:07
25.2M
25.20 mi14:27:433:30:468:223:14
9:23
+0:54
Finish
26.22 mi14:36:273:39:308:238:44
8:34
-0:49

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

7:50 /mi

Average Pace

8:23 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:14

82% of race

Time at Steady Pace

36:02

16% of race

Time at Slower Pace

3:14

1% of race

Average Pace: 8:22 /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 mi11:23:5827:018:4227:01
8:42
#20982
10K
6.21 mi11:50:0753:108:3326:09
8:25
#20167
15K
9.32 mi12:15:541:18:578:2825:47
8:18
#19481
20K
12.43 mi12:41:161:44:198:2425:22
8:10
#18615
Half
13.11 mi12:46:371:49:408:225:21
7:50
#18406
25K
15.53 mi13:06:072:09:108:1919:30
8:03
#17670
30K
18.64 mi13:31:572:35:008:1925:50
8:19
#16914
20M
20.00 mi13:43:252:46:288:1911:28
8:26
#16658
21M
21.00 mi13:52:262:55:298:219:01
9:01
#16428
35K
21.75 mi13:58:233:01:268:215:57
7:57
#16246
23M
23.00 mi14:08:523:11:558:2110:29
8:22
#15979
24M
24.00 mi14:17:143:20:178:218:22
8:22
#15868
40K
24.85 mi14:24:293:27:328:217:15
8:29
#15742
25.2M
25.20 mi14:27:433:30:468:223:14
9:23
#15701
Finish
26.22 mi14:36:273:39:308:238:44
8:34
#15742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi20982128481284818028(Top 63%)11639(Top 72%)11639(Top 924%)
10K6.21 mi3.10 mi20167+81512533+31512533+31519286(Top 68%)12181(Top 76%)12181(Top 968%)
15K9.32 mi3.11 mi19481+68612254+27912254+27918028(Top 63%)11639(Top 72%)11639(Top 924%)
20K12.43 mi3.11 mi18615+86611880+37411880+37416076(Top 57%)10767(Top 67%)10767(Top 855%)
Half13.11 mi0.68 mi18406+20911787+9311787+9314576(Top 51%)10157(Top 63%)10157(Top 807%)
25K15.53 mi2.42 mi17670+73611461+32611461+32614222(Top 50%)9866(Top 61%)9866(Top 784%)
30K18.64 mi3.11 mi16914+75611103+35811103+35813594(Top 48%)9416(Top 58%)9416(Top 748%)
20M20.00 mi1.36 mi16658+25610973+13010973+13013386(Top 47%)9172(Top 57%)9172(Top 729%)
21M21.00 mi1.00 mi16428+23010837+13610837+13613608(Top 48%)9164(Top 57%)9164(Top 728%)
35K21.75 mi0.75 mi16246+18210739+9810739+9811938(Top 42%)8308(Top 52%)8308(Top 660%)
23M23.00 mi1.25 mi15979+26710581+15810581+15812502(Top 44%)8480(Top 53%)8480(Top 674%)
24M24.00 mi1.00 mi15868+11110523+5810523+5813654(Top 48%)8980(Top 56%)8980(Top 713%)
40K24.85 mi0.85 mi15742+12610446+7710446+7713292(Top 47%)8667(Top 54%)8667(Top 688%)
25.2M25.20 mi0.35 mi15701+4110408+3810408+3813850(Top 49%)8884(Top 55%)8884(Top 706%)
Finish26.22 mi1.02 mi15742-4110404+410404+416651(Top 59%)10225(Top 63%)10225(Top 812%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

18028

Males

11639

M60-64

11639

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19286

Males

12181

M60-64

12181

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

18028

Males

11639

M60-64

11639

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16076

Males

10767

M60-64

10767

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14576

Males

10157

M60-64

10157

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

14222

Males

9866

M60-64

9866

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13594

Males

9416

M60-64

9416

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13386

Males

9172

M60-64

9172

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13608

Males

9164

M60-64

9164

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

11938

Males

8308

M60-64

8308

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12502

Males

8480

M60-64

8480

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

13654

Males

8980

M60-64

8980

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13292

Males

8667

M60-64

8667

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13850

Males

8884

M60-64

8884

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16651

Males

10225

M60-64

10225

Passing Analysis

Category:
Athletes Passed
5505
Passed By
265
Net Change
+5240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20982
5K → 10K89075+815#20982#20167
10K → 15K6959+686#20167#19481
15K → 20K8715+866#19481#18615
20K → Half2101+209#18615#18406
Half → 25K7393+736#18406#17670
25K → 30K7604+756#17670#16914
30K → 20M2659+256#16914#16658
20M → 21M24010+230#16658#16428
21M → 35K1864+182#16428#16246
35K → 23M2736+267#16246#15979
23M → 24M13221+111#15979#15868
24M → 40K14115+126#15868#15742
40K → 25.2M5211+41#15742#15701
25.2M → Finish5192-41#15701#15742
TOTALS5505265+5240
📊

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