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BOSTON MARATHON 2025

Tzejen Chen

Bib: 22066•M

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
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
7:36/mi
23:38
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
47:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:11:47
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:37:20
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:42:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:41/mi
2:04:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:29/mi
2:33:28
↑ 181↓ 1480.2%
20M
9:18/mi
2:46:06
↑ 64↓ 500.2%
21M
11:08/mi
2:57:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:11/mi
3:04:06
↑ 17↓ 861.7%
23M
12:02/mi
3:19:10
↑ 23↓ 630.6%
24M
10:37/mi
3:29:47
↓ 821.3%
40K· 24.85 mi
9:53/mi
3:38:14
↓ 200.3%
25.2M
11:10/mi
3:42:05
↑ 13↓ 160.2%
Finish· 26.22 mi
9:24/mi
3:51:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time2:08:42
Pace9:49 /mi
📊Positive Split: 25.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3223:387:3623:38
7:36
-
10K
6.21 mi11:44:2147:277:3823:49
7:40
+0:04
15K
9.32 mi12:08:411:11:477:4224:20
7:50
+0:10
20K
12.43 mi12:34:141:37:207:5025:33
8:13
+0:23
Half
13.11 mi12:39:521:42:587:515:38
8:15
+0:02
25K
15.53 mi13:00:542:04:007:5921:02
8:41
+0:26
30K
18.64 mi13:30:222:33:288:1429:28
9:29
+0:48
20M
20.00 mi13:43:002:46:068:1812:38
9:18
-0:11
21M
21.00 mi13:54:082:57:148:2611:08
11:08
+1:50
35K
21.75 mi14:01:003:04:068:286:52
9:11
-1:57
23M
23.00 mi14:16:043:19:108:4015:04
12:02
+2:51
24M
24.00 mi14:26:413:29:478:4410:37
10:37
-1:25
40K
24.85 mi14:35:083:38:148:478:27
9:53
-0:44
25.2M
25.20 mi14:38:593:42:058:493:51
11:10
+1:17
Finish
26.22 mi14:48:343:51:408:519:35
9:24
-1:46

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

7:36 /mi

Average Pace

8:51 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:58

44% of race

Time at Steady Pace

1:28:02

38% of race

Time at Slower Pace

40:40

18% of race

Average Pace: 8:50 /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 mi11:20:3223:387:3623:38
7:36
#13174
10K
6.21 mi11:44:2147:277:3823:49
7:40
#13360
15K
9.32 mi12:08:411:11:477:4224:20
7:50
#13750
20K
12.43 mi12:34:141:37:207:5025:33
8:13
#14505
Half
13.11 mi12:39:521:42:587:515:38
8:15
#14703
25K
15.53 mi13:00:542:04:007:5921:02
8:41
#15405
30K
18.64 mi13:30:222:33:288:1429:28
9:29
#16424
20M
20.00 mi13:43:002:46:068:1812:38
9:18
#16541
21M
21.00 mi13:54:082:57:148:2611:08
11:08
#16945
35K
21.75 mi14:01:003:04:068:286:52
9:11
#17038
23M
23.00 mi14:16:043:19:108:4015:04
12:02
#18032
24M
24.00 mi14:26:413:29:478:4410:37
10:37
#18386
40K
24.85 mi14:35:083:38:148:478:27
9:53
#18482
25.2M
25.20 mi14:38:593:42:058:493:51
11:10
#18559
Finish
26.22 mi14:48:343:51:408:519:35
9:24
#18676
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi131749723972314649(Top 52%)10224(Top 63%)10224(Top 812%)
10K6.21 mi3.10 mi13360-1869760-379760-3713579(Top 48%)9837(Top 61%)9837(Top 781%)
15K9.32 mi3.11 mi13750-3909887-1279887-12714649(Top 52%)10224(Top 63%)10224(Top 812%)
20K12.43 mi3.11 mi14505-75510173-28610173-28616459(Top 58%)10950(Top 68%)10950(Top 870%)
Half13.11 mi0.68 mi14703-19810248-7510248-7517622(Top 62%)11464(Top 71%)11464(Top 911%)
25K15.53 mi2.42 mi15405-70210524-27610524-27618232(Top 64%)11630(Top 72%)11630(Top 924%)
30K18.64 mi3.11 mi16424-101910894-37010894-37019869(Top 70%)12224(Top 76%)12224(Top 971%)
20M20.00 mi1.36 mi16541-11710913-1910913-1918270(Top 64%)11349(Top 70%)11349(Top 901%)
21M21.00 mi1.00 mi16945-40411052-13911052-13921722(Top 76%)12843(Top 80%)12843(Top 1020%)
35K21.75 mi0.75 mi17038-9311067-1511067-1519071(Top 67%)11535(Top 72%)11535(Top 916%)
23M23.00 mi1.25 mi18032-99411473-40611473-40625162(Top 89%)14413(Top 89%)14413(Top 1145%)
24M24.00 mi1.00 mi18386-35411607-13411607-13423104(Top 81%)13356(Top 83%)13356(Top 1061%)
40K24.85 mi0.85 mi18482-9611616-911616-920056(Top 71%)11813(Top 73%)11813(Top 938%)
25.2M25.20 mi0.35 mi18559-7711638-2211638-2221088(Top 74%)12329(Top 77%)12329(Top 979%)
Finish26.22 mi1.02 mi18676-11711682-4411682-4420817(Top 73%)12197(Top 76%)12197(Top 969%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14649

Males

10224

M60-64

10224

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13579

Males

9837

M60-64

9837

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14649

Males

10224

M60-64

10224

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16459

Males

10950

M60-64

10950

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17622

Males

11464

M60-64

11464

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18232

Males

11630

M60-64

11630

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19869

Males

12224

M60-64

12224

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18270

Males

11349

M60-64

11349

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21722

Males

12843

M60-64

12843

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

19071

Males

11535

M60-64

11535

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25162

Males

14413

M60-64

14413

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

23104

Males

13356

M60-64

13356

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20056

Males

11813

M60-64

11813

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21088

Males

12329

M60-64

12329

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

20817

Males

12197

M60-64

12197

Passing Analysis

Category:
Athletes Passed
760
Passed By
6262
Net Change
-5502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13174
5K → 10K213399-186#13174#13360
10K → 15K102492-390#13360#13750
15K → 20K62817-755#13750#14505
20K → Half10208-198#14505#14703
Half → 25K51753-702#14703#15405
25K → 30K531072-1019#15405#16424
30K → 20M70187-117#16424#16541
20M → 21M39443-404#16541#16945
21M → 35K40133-93#16945#17038
35K → 23M141008-994#17038#18032
23M → 24M26380-354#18032#18386
24M → 40K40136-96#18386#18482
40K → 25.2M1794-77#18482#18559
25.2M → Finish23140-117#18559#18676
TOTALS7606262-5502
📊

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