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BOSTON MARATHON 2023

Timothy Chan

Bib: 3629•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:30
Rank: #2846
Start → 5K
20:30 | 6:36/mi
10K· 6.21 mi
40:57
Rank: #3086 (-240)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:22
Rank: #3082 (+4)
10K → 15K
20:25 | 6:34/mi
20K· 12.43 mi
1:21:52
Rank: #2994 (+88)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:26:18
Rank: #2972 (+22)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:28
Rank: #2967 (+5)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:03:53
Rank: #3014 (-47)
25K → 30K
21:25 | 6:54/mi
20M
2:13:19
Rank: #3041 (-27)
30K → 20M
9:26 | 6:57/mi
21M
2:20:36
Rank: #3057 (-16)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:25:26
Rank: #2998 (+59)
21M → 35K
4:50 | 6:28/mi
23M
2:33:57
Rank: #2954 (+44)
35K → 23M
8:31 | 6:48/mi
24M
2:40:38
Rank: #2925 (+29)
23M → 24M
6:41 | 6:41/mi
40K· 24.85 mi
2:46:26
Rank: #2895 (+30)
24M → 40K
5:48 | 6:47/mi
25.2M
2:49:05
Rank: #2913 (-18)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:56:02
Rank: #2934 (-21)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:18
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:44
Pace6:51 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1320:306:3620:30
6:36
-
10K
6.21 mi10:42:4040:576:3520:27
6:35
-0:01
15K
9.32 mi11:03:051:01:226:3520:25
6:34
-0:01
20K
12.43 mi11:23:351:21:526:3520:30
6:36
+0:02
Half
13.11 mi11:28:011:26:186:354:26
6:30
-0:06
25K
15.53 mi11:44:111:42:286:3616:10
6:40
+0:10
30K
18.64 mi12:05:362:03:536:3921:25
6:54
+0:14
20M
20.00 mi12:15:022:13:196:409:26
6:57
+0:03
21M
21.00 mi12:22:192:20:366:427:17
7:17
+0:20
35K
21.75 mi12:27:092:25:266:414:50
6:28
-0:49
23M
23.00 mi12:35:402:33:576:428:31
6:48
+0:20
24M
24.00 mi12:42:212:40:386:426:41
6:41
-0:07
40K
24.85 mi12:48:092:46:266:425:48
6:47
+0:06
25.2M
25.20 mi12:50:482:49:056:432:39
7:41
+0:54
Finish
26.22 mi12:57:452:56:026:436:57
6:49
-0:52

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

6:28 /mi

Average Pace

6:43 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:06

94% of race

Time at Steady Pace

7:17

4% of race

Time at Slower Pace

2:39

2% of race

Average Pace: 6:43 /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 mi10:22:1320:306:3620:30
6:36
#2846
10K
6.21 mi10:42:4040:576:3520:27
6:35
#3086
15K
9.32 mi11:03:051:01:226:3520:25
6:34
#3082
20K
12.43 mi11:23:351:21:526:3520:30
6:36
#2994
Half
13.11 mi11:28:011:26:186:354:26
6:30
#2972
25K
15.53 mi11:44:111:42:286:3616:10
6:40
#2967
30K
18.64 mi12:05:362:03:536:3921:25
6:54
#3014
20M
20.00 mi12:15:022:13:196:409:26
6:57
#3041
21M
21.00 mi12:22:192:20:366:427:17
7:17
#3057
35K
21.75 mi12:27:092:25:266:414:50
6:28
#2998
23M
23.00 mi12:35:402:33:576:428:31
6:48
#2954
24M
24.00 mi12:42:212:40:386:426:41
6:41
#2925
40K
24.85 mi12:48:092:46:266:425:48
6:47
#2895
25.2M
25.20 mi12:50:482:49:056:432:39
7:41
#2913
Finish
26.22 mi12:57:452:56:026:436:57
6:49
#2934
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2846270927093065(Top 12%)2923(Top 19%)2923(Top 55%)
10K6.21 mi3.10 mi3086-2402936-2272936-2273353(Top 13%)3190(Top 21%)3190(Top 60%)
15K9.32 mi3.11 mi3082+42937-12937-13065(Top 12%)2923(Top 19%)2923(Top 55%)
20K12.43 mi3.11 mi2994+882857+802857+802832(Top 11%)2706(Top 18%)2706(Top 51%)
Half13.11 mi0.68 mi2972+222838+192838+192791(Top 10%)2675(Top 18%)2675(Top 51%)
25K15.53 mi2.42 mi2967+52834+42834+43108(Top 12%)2963(Top 20%)2963(Top 56%)
30K18.64 mi3.11 mi3014-472873-392873-393597(Top 14%)3377(Top 22%)3377(Top 64%)
20M20.00 mi1.36 mi3041-272898-252898-253643(Top 14%)3395(Top 22%)3395(Top 64%)
21M21.00 mi1.00 mi3057-162903-52903-53501(Top 13%)3252(Top 21%)3252(Top 62%)
35K21.75 mi0.75 mi2998+592853+502853+502254(Top 8%)2141(Top 14%)2141(Top 41%)
23M23.00 mi1.25 mi2954+442810+432810+432672(Top 10%)2505(Top 17%)2505(Top 47%)
24M24.00 mi1.00 mi2925+292781+292781+293000(Top 11%)2784(Top 18%)2784(Top 53%)
40K24.85 mi0.85 mi2895+302751+302751+302741(Top 10%)2527(Top 17%)2527(Top 48%)
25.2M25.20 mi0.35 mi2913-182765-142765-144709(Top 18%)4062(Top 27%)4062(Top 77%)
Finish26.22 mi1.02 mi2934-212779-142779-144164(Top 16%)3668(Top 24%)3668(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3065

Males

2923

M18-39

2923

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3353

Males

3190

M18-39

3190

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3065

Males

2923

M18-39

2923

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2832

Males

2706

M18-39

2706

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2791

Males

2675

M18-39

2675

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3108

Males

2963

M18-39

2963

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3597

Males

3377

M18-39

3377

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3643

Males

3395

M18-39

3395

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3501

Males

3252

M18-39

3252

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2254

Males

2141

M18-39

2141

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2672

Males

2505

M18-39

2505

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3000

Males

2784

M18-39

2784

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2741

Males

2527

M18-39

2527

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4709

Males

4062

M18-39

4062

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4164

Males

3668

M18-39

3668

Passing Analysis

Category:
Athletes Passed
837
Passed By
925
Net Change
-88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2846
5K → 10K73313-240#2846#3086
10K → 15K9288+4#3086#3082
15K → 20K13143+88#3082#2994
20K → Half3513+22#2994#2972
Half → 25K6863+5#2972#2967
25K → 30K71118-47#2967#3014
30K → 20M3562-27#3014#3041
20M → 21M4460-16#3041#3057
21M → 35K656+59#3057#2998
35K → 23M7329+44#2998#2954
23M → 24M5122+29#2954#2925
24M → 40K5424+30#2925#2895
40K → 25.2M1432-18#2895#2913
25.2M → Finish3152-21#2913#2934
TOTALS837925-88
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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