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BOSTON MARATHON 2023

Ryan Chan

Bib: 4111•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 20%
Division (M40-44)
#0 / 2241
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #7443
Start → 5K
22:21 | 7:12/mi
10K· 6.21 mi
44:24
Rank: #7393 (+50)
5K → 10K
22:03 | 7:06/mi
15K· 9.32 mi
1:06:38
Rank: #7403 (-10)
10K → 15K
22:14 | 7:09/mi
20K· 12.43 mi
1:29:10
Rank: #7376 (+27)
15K → 20K
22:32 | 7:15/mi
Half· 13.11 mi
1:33:58
Rank: #7325 (+51)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:51:23
Rank: #7187 (+138)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:14:07
Rank: #6959 (+228)
25K → 30K
22:44 | 7:19/mi
20M
2:24:01
Rank: #6840 (+119)
30K → 20M
9:54 | 7:17/mi
21M
2:31:26
Rank: #6649 (+191)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:36:29
Rank: #6518 (+131)
21M → 35K
5:03 | 6:45/mi
23M
2:45:09
Rank: #6284 (+234)
35K → 23M
8:40 | 6:55/mi
24M
2:51:48
Rank: #6073 (+211)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:57:45
Rank: #5940 (+133)
24M → 40K
5:57 | 6:58/mi
25.2M
3:00:20
Rank: #5888 (+52)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:06:58
Rank: #5693 (+195)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:58
Pace7:10 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:00
Pace7:06 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1822:217:1222:21
7:12
-
10K
6.21 mi11:10:2144:247:0922:03
7:06
-0:06
15K
9.32 mi11:32:351:06:387:0922:14
7:09
+0:03
20K
12.43 mi11:55:071:29:107:1022:32
7:15
+0:06
Half
13.11 mi11:59:551:33:587:104:48
7:02
-0:13
25K
15.53 mi12:17:201:51:237:1017:25
7:11
+0:09
30K
18.64 mi12:40:042:14:077:1222:44
7:19
+0:08
20M
20.00 mi12:49:582:24:017:129:54
7:17
-0:02
21M
21.00 mi12:57:232:31:267:137:25
7:25
+0:08
35K
21.75 mi13:02:262:36:297:125:03
6:45
-0:40
23M
23.00 mi13:11:062:45:097:118:40
6:55
+0:10
24M
24.00 mi13:17:452:51:487:106:39
6:39
-0:16
40K
24.85 mi13:23:422:57:457:095:57
6:58
+0:19
25.2M
25.20 mi13:26:173:00:207:092:35
7:29
+0:31
Finish
26.22 mi13:32:553:06:587:086:38
6:31
-0:58

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

6:31 /mi

Average Pace

7:08 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:02

44% of race

Time at Steady Pace

1:44:56

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:08 /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 mi10:48:1822:217:1222:21
7:12
#7443
10K
6.21 mi11:10:2144:247:0922:03
7:06
#7393
15K
9.32 mi11:32:351:06:387:0922:14
7:09
#7403
20K
12.43 mi11:55:071:29:107:1022:32
7:15
#7376
Half
13.11 mi11:59:551:33:587:104:48
7:02
#7325
25K
15.53 mi12:17:201:51:237:1017:25
7:11
#7187
30K
18.64 mi12:40:042:14:077:1222:44
7:19
#6959
20M
20.00 mi12:49:582:24:017:129:54
7:17
#6840
21M
21.00 mi12:57:232:31:267:137:25
7:25
#6649
35K
21.75 mi13:02:262:36:297:125:03
6:45
#6518
23M
23.00 mi13:11:062:45:097:118:40
6:55
#6284
24M
24.00 mi13:17:452:51:487:106:39
6:39
#6073
40K
24.85 mi13:23:422:57:457:095:57
6:58
#5940
25.2M
25.20 mi13:26:173:00:207:092:35
7:29
#5888
Finish
26.22 mi13:32:553:06:587:086:38
6:31
#5693
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7443660466047489(Top 28%)6587(Top 43%)6587(Top 294%)
10K6.21 mi3.10 mi7393+506555+496555+497409(Top 28%)6534(Top 43%)6534(Top 292%)
15K9.32 mi3.11 mi7403-106556-16556-17489(Top 28%)6587(Top 43%)6587(Top 294%)
20K12.43 mi3.11 mi7376+276521+356521+357432(Top 28%)6509(Top 43%)6509(Top 290%)
Half13.11 mi0.68 mi7325+516482+396482+396691(Top 25%)5998(Top 40%)5998(Top 268%)
25K15.53 mi2.42 mi7187+1386372+1106372+1106566(Top 25%)5836(Top 38%)5836(Top 260%)
30K18.64 mi3.11 mi6959+2286181+1916181+1916113(Top 23%)5448(Top 36%)5448(Top 243%)
20M20.00 mi1.36 mi6840+1196079+1026079+1025549(Top 21%)4961(Top 33%)4961(Top 221%)
21M21.00 mi1.00 mi6649+1915919+1605919+1604214(Top 16%)3866(Top 25%)3866(Top 173%)
35K21.75 mi0.75 mi6518+1315819+1005819+1003915(Top 15%)3609(Top 24%)3609(Top 161%)
23M23.00 mi1.25 mi6284+2345637+1825637+1823395(Top 13%)3148(Top 21%)3148(Top 140%)
24M24.00 mi1.00 mi6073+2115463+1745463+1742866(Top 11%)2667(Top 18%)2667(Top 119%)
40K24.85 mi0.85 mi5940+1335348+1155348+1153646(Top 14%)3310(Top 22%)3310(Top 148%)
25.2M25.20 mi0.35 mi5888+525307+415307+413887(Top 15%)3477(Top 23%)3477(Top 155%)
Finish26.22 mi1.02 mi5693+1955145+1625145+1622561(Top 10%)2355(Top 16%)2355(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7489

Males

6587

M40-44

6587

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7409

Males

6534

M40-44

6534

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7489

Males

6587

M40-44

6587

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7432

Males

6509

M40-44

6509

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6691

Males

5998

M40-44

5998

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6566

Males

5836

M40-44

5836

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6113

Males

5448

M40-44

5448

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5549

Males

4961

M40-44

4961

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4214

Males

3866

M40-44

3866

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3915

Males

3609

M40-44

3609

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3395

Males

3148

M40-44

3148

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2866

Males

2667

M40-44

2667

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3646

Males

3310

M40-44

3310

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3887

Males

3477

M40-44

3477

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2561

Males

2355

M40-44

2355

Passing Analysis

Category:
Athletes Passed
2250
Passed By
500
Net Change
+1750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7443
5K → 10K245195+50#7443#7393
10K → 15K125135-10#7393#7403
15K → 20K12396+27#7403#7376
20K → Half576+51#7376#7325
Half → 25K15618+138#7325#7187
25K → 30K25729+228#7187#6959
30K → 20M13011+119#6959#6840
20M → 21M1932+191#6840#6649
21M → 35K1332+131#6649#6518
35K → 23M2340+234#6518#6284
23M → 24M2121+211#6284#6073
24M → 40K1341+133#6073#5940
40K → 25.2M542+52#5940#5888
25.2M → Finish1972+195#5888#5693
TOTALS2250500+1750
📊

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