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BOSTON MARATHON 2023

Joseph Wu

Bib: 17770•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
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
8:08/mi
25:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:44
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:14:22
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:39:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:45:22
↑ 19↓ 370.5%
25K· 15.53 mi
9:26/mi
2:08:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:23
↑ 181↓ 1480.2%
20M
9:48/mi
2:48:42
↑ 64↓ 500.2%
21M
10:51/mi
2:59:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:06:05
↑ 17↓ 861.7%
23M
9:57/mi
3:18:32
↑ 23↓ 630.6%
24M
9:52/mi
3:28:24
↓ 821.3%
40K· 24.85 mi
10:08/mi
3:37:04
↓ 200.3%
25.2M
11:33/mi
3:41:03
↑ 13↓ 160.2%
Finish· 26.22 mi
9:18/mi
3:50:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time2:05:10
Pace9:33 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0025:168:0825:16
8:08
-
10K
6.21 mi11:40:2849:448:0024:28
7:53
-0:15
15K
9.32 mi12:05:061:14:227:5924:38
7:56
+0:03
20K
12.43 mi12:30:311:39:478:0225:25
8:11
+0:15
Half
13.11 mi12:36:061:45:228:025:35
8:11
0:00
25K
15.53 mi12:58:592:08:158:1522:53
9:26
+1:15
30K
18.64 mi13:26:072:35:238:2027:08
8:44
-0:42
20M
20.00 mi13:39:262:48:428:2613:19
9:48
+1:04
21M
21.00 mi13:50:172:59:338:3310:51
10:51
+1:03
35K
21.75 mi13:56:493:06:058:336:32
8:44
-2:07
23M
23.00 mi14:09:163:18:328:3812:27
9:57
+1:13
24M
24.00 mi14:19:083:28:248:419:52
9:52
-0:05
40K
24.85 mi14:27:483:37:048:448:40
10:08
+0:16
25.2M
25.20 mi14:31:473:41:038:463:59
11:33
+1:25
Finish
26.22 mi14:41:163:50:328:489:29
9:18
-2:15

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

7:53 /mi

Average Pace

8:48 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:02

60% of race

Time at Steady Pace

45:41

20% of race

Time at Slower Pace

45:49

20% of race

Average Pace: 8:48 /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 mi11:16:0025:168:0825:16
8:08
#14949
10K
6.21 mi11:40:2849:448:0024:28
7:53
#14418
15K
9.32 mi12:05:061:14:227:5924:38
7:56
#14204
20K
12.43 mi12:30:311:39:478:0225:25
8:11
#14318
Half
13.11 mi12:36:061:45:228:025:35
8:11
#14389
25K
15.53 mi12:58:592:08:158:1522:53
9:26
#15726
30K
18.64 mi13:26:072:35:238:2027:08
8:44
#15727
20M
20.00 mi13:39:262:48:428:2613:19
9:48
#16132
21M
21.00 mi13:50:172:59:338:3310:51
10:51
#16489
35K
21.75 mi13:56:493:06:058:336:32
8:44
#16489
23M
23.00 mi14:09:163:18:328:3812:27
9:57
#16781
24M
24.00 mi14:19:083:28:248:419:52
9:52
#17005
40K
24.85 mi14:27:483:37:048:448:40
10:08
#17188
25.2M
25.20 mi14:31:473:41:038:463:59
11:33
#17326
Finish
26.22 mi14:41:163:50:328:489:29
9:18
#17452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14949103231032313803(Top 52%)9824(Top 65%)9824(Top 691%)
10K6.21 mi3.10 mi14418+53110107+21610107+21613756(Top 52%)9848(Top 65%)9848(Top 693%)
15K9.32 mi3.11 mi14204+21410008+9910008+9913803(Top 52%)9824(Top 65%)9824(Top 691%)
20K12.43 mi3.11 mi14318-11410037-2910037-2914831(Top 56%)10212(Top 67%)10212(Top 718%)
Half13.11 mi0.68 mi14389-7110060-2310060-2315652(Top 59%)10560(Top 70%)10560(Top 743%)
25K15.53 mi2.42 mi15726-133710541-48110541-48120622(Top 77%)12538(Top 83%)12538(Top 882%)
30K18.64 mi3.11 mi15727-110499+4210499+4215693(Top 59%)10352(Top 68%)10352(Top 728%)
20M20.00 mi1.36 mi16132-40510640-14110640-14119835(Top 75%)12044(Top 79%)12044(Top 847%)
21M21.00 mi1.00 mi16489-35710765-12510765-12520481(Top 77%)12272(Top 81%)12272(Top 863%)
35K21.75 mi0.75 mi1648910760+510760+516576(Top 62%)10528(Top 69%)10528(Top 740%)
23M23.00 mi1.25 mi16781-29210869-10910869-10919805(Top 74%)11932(Top 79%)11932(Top 839%)
24M24.00 mi1.00 mi17005-22410937-6810937-6820415(Top 77%)12180(Top 80%)12180(Top 857%)
40K24.85 mi0.85 mi17188-18311001-6411001-6420321(Top 76%)12062(Top 79%)12062(Top 848%)
25.2M25.20 mi0.35 mi17326-13811056-5511056-5521627(Top 81%)12672(Top 84%)12672(Top 891%)
Finish26.22 mi1.02 mi17452-12611100-4411100-4419375(Top 73%)11690(Top 77%)11690(Top 822%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13803

Males

9824

M55-59

9824

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13756

Males

9848

M55-59

9848

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13803

Males

9824

M55-59

9824

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14831

Males

10212

M55-59

10212

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15652

Males

10560

M55-59

10560

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20622

Males

12538

M55-59

12538

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15693

Males

10352

M55-59

10352

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19835

Males

12044

M55-59

12044

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20481

Males

12272

M55-59

12272

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16576

Males

10528

M55-59

10528

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19805

Males

11932

M55-59

11932

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20415

Males

12180

M55-59

12180

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20321

Males

12062

M55-59

12062

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21627

Males

12672

M55-59

12672

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19375

Males

11690

M55-59

11690

Passing Analysis

Category:
Athletes Passed
1472
Passed By
3975
Net Change
-2503
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14949
5K → 10K634103+531#14949#14418
10K → 15K31096+214#14418#14204
15K → 20K140254-114#14204#14318
20K → Half1283-71#14318#14389
Half → 25K111348-1337#14389#15726
25K → 30K180181-1#15726#15727
30K → 20M22427-405#15727#16132
20M → 21M21378-357#16132#16489
21M → 35K46460#16489#16489
35K → 23M31323-292#16489#16781
23M → 24M15239-224#16781#17005
24M → 40K22205-183#17005#17188
40K → 25.2M4142-138#17188#17326
25.2M → Finish24150-126#17326#17452
TOTALS14723975-2503
📊

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