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BOSTON MARATHON 2023

Raymond Kwan

Bib: 24041•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:22/mi
29:05
↑ 97↓ 3451.5%
10K· 6.21 mi
9:07/mi
57:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:10/mi
1:25:54
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:54:37
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:00:56
↑ 19↓ 370.5%
25K· 15.53 mi
9:22/mi
2:23:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:53:27
↑ 181↓ 1480.2%
20M
9:45/mi
3:06:42
↑ 64↓ 500.2%
21M
10:11/mi
3:16:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:17/mi
3:23:50
↑ 17↓ 861.7%
23M
10:33/mi
3:37:03
↑ 23↓ 630.6%
24M
9:15/mi
3:46:18
↓ 821.3%
40K· 24.85 mi
9:35/mi
3:54:30
↓ 200.3%
25.2M
10:23/mi
3:58:05
↑ 13↓ 160.2%
Finish· 26.22 mi
9:21/mi
4:07:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:56
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:06:41
Pace9:40 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1829:059:2229:05
9:22
-
10K
6.21 mi12:12:3757:249:1428:19
9:07
-0:15
15K
9.32 mi12:41:071:25:549:1328:30
9:10
+0:03
20K
12.43 mi13:09:501:54:379:1328:43
9:15
+0:05
Half
13.11 mi13:16:092:00:569:136:19
9:16
+0:01
25K
15.53 mi13:38:512:23:389:1522:42
9:22
+0:06
30K
18.64 mi14:08:402:53:279:1829:49
9:36
+0:14
20M
20.00 mi14:21:553:06:429:2013:15
9:45
+0:09
21M
21.00 mi14:32:063:16:539:2310:11
10:11
+0:26
35K
21.75 mi14:39:033:23:509:226:57
9:17
-0:54
23M
23.00 mi14:52:163:37:039:2613:13
10:33
+1:16
24M
24.00 mi15:01:313:46:189:269:15
9:15
-1:18
40K
24.85 mi15:09:433:54:309:268:12
9:35
+0:20
25.2M
25.20 mi15:13:183:58:059:273:35
10:23
+0:48
Finish
26.22 mi15:22:504:07:379:279:32
9:21
-1:02

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

9:07 /mi

Average Pace

9:27 /mi

Slowest Pace

10:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:40:38

89% of race

Time at Steady Pace

26:59

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:27 /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 mi11:44:1829:059:2229:05
9:22
#21689
10K
6.21 mi12:12:3757:249:1428:19
9:07
#21519
15K
9.32 mi12:41:071:25:549:1328:30
9:10
#21419
20K
12.43 mi13:09:501:54:379:1328:43
9:15
#21258
Half
13.11 mi13:16:092:00:569:136:19
9:16
#21262
25K
15.53 mi13:38:512:23:389:1522:42
9:22
#21107
30K
18.64 mi14:08:402:53:279:1829:49
9:36
#20839
20M
20.00 mi14:21:553:06:429:2013:15
9:45
#20721
21M
21.00 mi14:32:063:16:539:2310:11
10:11
#20595
35K
21.75 mi14:39:033:23:509:226:57
9:17
#20537
23M
23.00 mi14:52:163:37:039:2613:13
10:33
#20587
24M
24.00 mi15:01:313:46:189:269:15
9:15
#20485
40K
24.85 mi15:09:433:54:309:268:12
9:35
#20406
25.2M
25.20 mi15:13:183:58:059:273:35
10:23
#20378
Finish
26.22 mi15:22:504:07:379:279:32
9:21
#20345
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi21689129331293321204(Top 80%)12841(Top 85%)12841(Top 6029%)
10K6.21 mi3.10 mi21519+17012905+2812905+2821324(Top 80%)12849(Top 85%)12849(Top 6032%)
15K9.32 mi3.11 mi21419+10012891+1412891+1421204(Top 80%)12841(Top 85%)12841(Top 6029%)
20K12.43 mi3.11 mi21258+16112827+6412827+6420738(Top 78%)12635(Top 83%)12635(Top 5932%)
Half13.11 mi0.68 mi21262-412833-612833-621325(Top 80%)12876(Top 85%)12876(Top 6045%)
25K15.53 mi2.42 mi21107+15512758+7512758+7520385(Top 77%)12446(Top 82%)12446(Top 5843%)
30K18.64 mi3.11 mi20839+26812637+12112637+12119778(Top 74%)12118(Top 80%)12118(Top 5689%)
20M20.00 mi1.36 mi20721+11812562+7512562+7519710(Top 74%)11985(Top 79%)11985(Top 5627%)
21M21.00 mi1.00 mi20595+12612492+7012492+7018650(Top 70%)11496(Top 76%)11496(Top 5397%)
35K21.75 mi0.75 mi20537+5812459+3312459+3319105(Top 72%)11644(Top 77%)11644(Top 5467%)
23M23.00 mi1.25 mi20587-5012470-1112470-1121442(Top 81%)12660(Top 83%)12660(Top 5944%)
24M24.00 mi1.00 mi20485+10212413+5712413+5718256(Top 69%)11207(Top 74%)11207(Top 5262%)
40K24.85 mi0.85 mi20406+7912371+4212371+4218642(Top 70%)11332(Top 75%)11332(Top 5320%)
25.2M25.20 mi0.35 mi20378+2812352+1912352+1918734(Top 70%)11362(Top 75%)11362(Top 5334%)
Finish26.22 mi1.02 mi20345+3312329+2312329+2319589(Top 74%)11795(Top 78%)11795(Top 5538%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21204

Males

12841

M70-74

12841

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21324

Males

12849

M70-74

12849

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21204

Males

12841

M70-74

12841

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20738

Males

12635

M70-74

12635

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21325

Males

12876

M70-74

12876

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20385

Males

12446

M70-74

12446

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19778

Males

12118

M70-74

12118

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19710

Males

11985

M70-74

11985

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

18650

Males

11496

M70-74

11496

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19105

Males

11644

M70-74

11644

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21442

Males

12660

M70-74

12660

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18256

Males

11207

M70-74

11207

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18642

Males

11332

M70-74

11332

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18734

Males

11362

M70-74

11362

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19589

Males

11795

M70-74

11795

Passing Analysis

Category:
Athletes Passed
2038
Passed By
694
Net Change
+1344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21689
5K → 10K371201+170#21689#21519
10K → 15K221121+100#21519#21419
15K → 20K22766+161#21419#21258
20K → Half1923-4#21258#21262
Half → 25K19944+155#21262#21107
25K → 30K30638+268#21107#20839
30K → 20M13820+118#20839#20721
20M → 21M14620+126#20721#20595
21M → 35K7113+58#20595#20537
35K → 23M4999-50#20537#20587
23M → 24M1064+102#20587#20485
24M → 40K889+79#20485#20406
40K → 25.2M379+28#20406#20378
25.2M → Finish6027+33#20378#20345
TOTALS2038694+1344
📊

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