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BOSTON MARATHON 2023

Christopher Go

Bib: 11854•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 47%
Division (M60-64)
#0 / 1110
Top 12%
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
7:43/mi
23:58
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:34/mi
1:10:59
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:53
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
1:59:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:05/mi
2:24:08
↑ 181↓ 1480.2%
20M
8:10/mi
2:35:14
↑ 64↓ 500.2%
21M
8:47/mi
2:44:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:50:06
↑ 17↓ 861.7%
23M
8:26/mi
3:00:39
↑ 23↓ 630.6%
24M
7:57/mi
3:08:36
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:15:38
↓ 200.3%
25.2M
9:11/mi
3:18:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:27:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:53
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:47:11
Pace8:11 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4323:587:4323:58
7:43
-
10K
6.21 mi11:14:1447:297:3923:31
7:34
-0:09
15K
9.32 mi11:37:441:10:597:3723:30
7:34
0:00
20K
12.43 mi12:01:281:34:437:3723:44
7:38
+0:04
Half
13.11 mi12:06:381:39:537:375:10
7:34
-0:04
25K
15.53 mi12:25:461:59:017:4019:08
7:53
+0:19
30K
18.64 mi12:50:532:24:087:4425:07
8:05
+0:12
20M
20.00 mi13:01:592:35:147:4611:06
8:10
+0:05
21M
21.00 mi13:10:462:44:017:498:47
8:47
+0:37
35K
21.75 mi13:16:512:50:067:496:05
8:08
-0:39
23M
23.00 mi13:27:243:00:397:5110:33
8:26
+0:18
24M
24.00 mi13:35:213:08:367:527:57
7:57
-0:29
40K
24.85 mi13:42:233:15:387:527:02
8:14
+0:17
25.2M
25.20 mi13:45:333:18:487:533:10
9:11
+0:57
Finish
26.22 mi13:53:493:27:047:548:16
8:07
-1:04

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

7:34 /mi

Average Pace

7:54 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:53

48% of race

Time at Steady Pace

1:24:41

41% of race

Time at Slower Pace

22:30

11% of race

Average Pace: 7:54 /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 mi10:50:4323:587:4323:58
7:43
#11565
10K
6.21 mi11:14:1447:297:3923:31
7:34
#11269
15K
9.32 mi11:37:441:10:597:3723:30
7:34
#11065
20K
12.43 mi12:01:281:34:437:3723:44
7:38
#10888
Half
13.11 mi12:06:381:39:537:375:10
7:34
#10892
25K
15.53 mi12:25:461:59:017:4019:08
7:53
#10994
30K
18.64 mi12:50:532:24:087:4425:07
8:05
#11017
20M
20.00 mi13:01:592:35:147:4611:06
8:10
#11032
21M
21.00 mi13:10:462:44:017:498:47
8:47
#11086
35K
21.75 mi13:16:512:50:067:496:05
8:08
#11153
23M
23.00 mi13:27:243:00:397:5110:33
8:26
#11238
24M
24.00 mi13:35:213:08:367:527:57
7:57
#11225
40K
24.85 mi13:42:233:15:387:527:02
8:14
#11222
25.2M
25.20 mi13:45:333:18:487:533:10
9:11
#11262
Finish
26.22 mi13:53:493:27:047:548:16
8:07
#11316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi115658927892710695(Top 40%)8503(Top 56%)8503(Top 766%)
10K6.21 mi3.10 mi11269+2968777+1508777+15011032(Top 41%)8692(Top 57%)8692(Top 783%)
15K9.32 mi3.11 mi11065+2048684+938684+9310695(Top 40%)8503(Top 56%)8503(Top 766%)
20K12.43 mi3.11 mi10888+1778590+948590+9410404(Top 39%)8293(Top 55%)8293(Top 747%)
Half13.11 mi0.68 mi10892-48595-58595-510778(Top 40%)8504(Top 56%)8504(Top 766%)
25K15.53 mi2.42 mi10994-1028629-348629-3411840(Top 44%)8840(Top 58%)8840(Top 796%)
30K18.64 mi3.11 mi11017-238586+438586+4311539(Top 43%)8603(Top 57%)8603(Top 775%)
20M20.00 mi1.36 mi11032-158562+248562+2411449(Top 43%)8461(Top 56%)8461(Top 762%)
21M21.00 mi1.00 mi11086-548566-48566-412135(Top 46%)8640(Top 57%)8640(Top 778%)
35K21.75 mi0.75 mi11153-678587-218587-2112951(Top 49%)8949(Top 59%)8949(Top 806%)
23M23.00 mi1.25 mi11238-858600-138600-1312728(Top 48%)8786(Top 58%)8786(Top 792%)
24M24.00 mi1.00 mi11225+138571+298571+2910867(Top 41%)7840(Top 52%)7840(Top 706%)
40K24.85 mi0.85 mi11222+38537+348537+3411509(Top 43%)8075(Top 53%)8075(Top 727%)
25.2M25.20 mi0.35 mi11262-408545-88545-813471(Top 51%)8964(Top 59%)8964(Top 808%)
Finish26.22 mi1.02 mi11316-548554-98554-912830(Top 48%)8684(Top 57%)8684(Top 782%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

10695

Males

8503

M60-64

8503

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11032

Males

8692

M60-64

8692

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

10695

Males

8503

M60-64

8503

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

10404

Males

8293

M60-64

8293

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10778

Males

8504

M60-64

8504

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11840

Males

8840

M60-64

8840

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11539

Males

8603

M60-64

8603

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

11449

Males

8461

M60-64

8461

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12135

Males

8640

M60-64

8640

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12951

Males

8949

M60-64

8949

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12728

Males

8786

M60-64

8786

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10867

Males

7840

M60-64

7840

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11509

Males

8075

M60-64

8075

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13471

Males

8964

M60-64

8964

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12830

Males

8684

M60-64

8684

Passing Analysis

Category:
Athletes Passed
1751*
Passed By
1502
Net Change
+249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11565
5K → 10K462166+296#11565#11269
10K → 15K29995+204#11269#11065
15K → 20K24871+177#11065#10888
20K → Half2731-4#10888#10892
Half → 25K92194-102#10892#10994
25K → 30K171194-23#10994#11017
30K → 20M90*105-15#11017#11032
20M → 21M57111-54#11032#11086
21M → 35K2592-67#11086#11153
35K → 23M67152-85#11153#11238
23M → 24M7461+13#11238#11225
24M → 40K6259+3#11225#11222
40K → 25.2M1959-40#11222#11262
25.2M → Finish58112-54#11262#11316
TOTALS1751*1502+249

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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