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BOSTON MARATHON 2023

Keat Tan

Bib: 23610•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:40
Rank: #18123
Start → 5K
26:40 | 8:35/mi
10K· 6.21 mi
52:56
Rank: #18009 (+114)
5K → 10K
26:16 | 8:27/mi
15K· 9.32 mi
1:19:22
Rank: #17939 (+70)
10K → 15K
26:26 | 8:30/mi
20K· 12.43 mi
1:46:25
Rank: #17978 (-39)
15K → 20K
27:03 | 8:42/mi
Half· 13.11 mi
1:52:09
Rank: #17937 (+41)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:13:08
Rank: #17750 (+187)
Half → 25K
20:59 | 8:39/mi
30K· 18.64 mi
2:41:15
Rank: #17661 (+89)
25K → 30K
28:07 | 9:03/mi
20M
2:54:17
Rank: #17802 (-141)
30K → 20M
13:02 | 9:35/mi
21M
3:04:56
Rank: #18000 (-198)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:11:48
Rank: #18060 (-60)
21M → 35K
6:52 | 9:11/mi
23M
3:24:02
Rank: #18152 (-92)
35K → 23M
12:14 | 9:46/mi
24M
3:33:31
Rank: #18221 (-69)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
3:41:43
Rank: #18260 (-39)
24M → 40K
8:12 | 9:35/mi
25.2M
3:45:24
Rank: #18287 (-27)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:54:53
Rank: #18350 (-63)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:09
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:02:44
Pace9:22 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1226:408:3526:40
8:35
-
10K
6.21 mi11:47:2852:568:3126:16
8:27
-0:08
15K
9.32 mi12:13:541:19:228:3126:26
8:30
+0:03
20K
12.43 mi12:40:571:46:258:3427:03
8:42
+0:12
Half
13.11 mi12:46:411:52:098:335:44
8:24
-0:18
25K
15.53 mi13:07:402:13:088:3420:59
8:39
+0:15
30K
18.64 mi13:35:472:41:158:3928:07
9:03
+0:24
20M
20.00 mi13:48:492:54:178:4313:02
9:35
+0:32
21M
21.00 mi13:59:283:04:568:4810:39
10:39
+1:04
35K
21.75 mi14:06:203:11:488:496:52
9:11
-1:28
23M
23.00 mi14:18:343:24:028:5212:14
9:46
+0:35
24M
24.00 mi14:28:033:33:318:549:29
9:29
-0:17
40K
24.85 mi14:36:153:41:438:558:12
9:35
+0:06
25.2M
25.20 mi14:39:563:45:248:573:41
10:41
+1:06
Finish
26.22 mi14:49:253:54:538:589:29
9:18
-1:23

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

8:24 /mi

Average Pace

8:58 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:08

57% of race

Time at Steady Pace

53:57

23% of race

Time at Slower Pace

47:48

20% of race

Average Pace: 8:57 /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 mi11:21:1226:408:3526:40
8:35
#18123
10K
6.21 mi11:47:2852:568:3126:16
8:27
#18009
15K
9.32 mi12:13:541:19:228:3126:26
8:30
#17939
20K
12.43 mi12:40:571:46:258:3427:03
8:42
#17978
Half
13.11 mi12:46:411:52:098:335:44
8:24
#17937
25K
15.53 mi13:07:402:13:088:3420:59
8:39
#17750
30K
18.64 mi13:35:472:41:158:3928:07
9:03
#17661
20M
20.00 mi13:48:492:54:178:4313:02
9:35
#17802
21M
21.00 mi13:59:283:04:568:4810:39
10:39
#18000
35K
21.75 mi14:06:203:11:488:496:52
9:11
#18060
23M
23.00 mi14:18:343:24:028:5212:14
9:46
#18152
24M
24.00 mi14:28:033:33:318:549:29
9:29
#18221
40K
24.85 mi14:36:153:41:438:558:12
9:35
#18260
25.2M
25.20 mi14:39:563:45:248:573:41
10:41
#18287
Finish
26.22 mi14:49:253:54:538:589:29
9:18
#18350
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18123114671146717858(Top 67%)11423(Top 75%)11423(Top 2081%)
10K6.21 mi3.10 mi18009+11411450+1711450+1717951(Top 67%)11483(Top 76%)11483(Top 2092%)
15K9.32 mi3.11 mi17939+7011432+1811432+1817858(Top 67%)11423(Top 75%)11423(Top 2081%)
20K12.43 mi3.11 mi17978-3911452-2011452-2018153(Top 68%)11543(Top 76%)11543(Top 2103%)
Half13.11 mi0.68 mi17937+4111436+1611436+1617136(Top 64%)11145(Top 73%)11145(Top 2030%)
25K15.53 mi2.42 mi17750+18711348+8811348+8817127(Top 64%)11033(Top 73%)11033(Top 2010%)
30K18.64 mi3.11 mi17661+8911286+6211286+6217435(Top 65%)11099(Top 73%)11099(Top 2022%)
20M20.00 mi1.36 mi17802-14111322-3611322-3619173(Top 72%)11764(Top 78%)11764(Top 2143%)
21M21.00 mi1.00 mi18000-19811386-6411386-6419996(Top 75%)12043(Top 79%)12043(Top 2194%)
35K21.75 mi0.75 mi18060-6011407-2111407-2118640(Top 70%)11433(Top 75%)11433(Top 2083%)
23M23.00 mi1.25 mi18152-9211430-2311430-2319324(Top 73%)11705(Top 77%)11705(Top 2132%)
24M24.00 mi1.00 mi18221-6911448-1811448-1819138(Top 72%)11591(Top 76%)11591(Top 2111%)
40K24.85 mi0.85 mi18260-3911447+111447+118631(Top 70%)11321(Top 75%)11321(Top 2062%)
25.2M25.20 mi0.35 mi18287-2711454-711454-719614(Top 74%)11738(Top 77%)11738(Top 2138%)
Finish26.22 mi1.02 mi18350-6311481-2711481-2719378(Top 73%)11693(Top 77%)11693(Top 2130%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17858

Males

11423

M65-69

11423

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17951

Males

11483

M65-69

11483

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17858

Males

11423

M65-69

11423

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18153

Males

11543

M65-69

11543

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

17136

Males

11145

M65-69

11145

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17127

Males

11033

M65-69

11033

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17435

Males

11099

M65-69

11099

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19173

Males

11764

M65-69

11764

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19996

Males

12043

M65-69

12043

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18640

Males

11433

M65-69

11433

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19324

Males

11705

M65-69

11705

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19138

Males

11591

M65-69

11591

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18631

Males

11321

M65-69

11321

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19614

Males

11738

M65-69

11738

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19378

Males

11693

M65-69

11693

Passing Analysis

Category:
Athletes Passed
1532
Passed By
1759
Net Change
-227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18123
5K → 10K377263+114#18123#18009
10K → 15K217147+70#18009#17939
15K → 20K157196-39#17939#17978
20K → Half5615+41#17978#17937
Half → 25K22336+187#17937#17750
25K → 30K223134+89#17750#17661
30K → 20M50191-141#17661#17802
20M → 21M38236-198#17802#18000
21M → 35K2989-60#18000#18060
35K → 23M51143-92#18060#18152
23M → 24M31100-69#18152#18221
24M → 40K4180-39#18221#18260
40K → 25.2M1037-27#18260#18287
25.2M → Finish2992-63#18287#18350
TOTALS15321759-227
📊

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