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BOSTON MARATHON 2023

Colin Woods

Bib: 27877•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
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
8:23/mi
26:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:18/mi
51:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:18:05
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:44:58
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:50:54
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:12:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:53/mi
2:40:08
↑ 181↓ 1480.2%
20M
9:16/mi
2:52:44
↑ 64↓ 500.2%
21M
9:42/mi
3:02:26
↑ 106↓ 241.6%
35K· 21.75 mi
9:12/mi
3:09:19
↑ 17↓ 861.7%
23M
9:20/mi
3:21:00
↑ 23↓ 630.6%
24M
9:19/mi
3:30:19
↓ 821.3%
40K· 24.85 mi
9:23/mi
3:38:20
↓ 200.3%
25.2M
10:00/mi
3:41:47
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
3:51:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:54
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time2:00:13
Pace9:10 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1326:048:2326:04
8:23
-
10K
6.21 mi12:10:0051:518:2125:47
8:18
-0:05
15K
9.32 mi12:36:141:18:058:2326:14
8:27
+0:09
20K
12.43 mi13:03:071:44:588:2726:53
8:39
+0:12
Half
13.11 mi13:09:031:50:548:285:56
8:42
+0:03
25K
15.53 mi13:30:402:12:318:3221:37
8:55
+0:13
30K
18.64 mi13:58:172:40:088:3527:37
8:53
-0:02
20M
20.00 mi14:10:532:52:448:3812:36
9:16
+0:23
21M
21.00 mi14:20:353:02:268:419:42
9:42
+0:26
35K
21.75 mi14:27:283:09:198:426:53
9:12
-0:30
23M
23.00 mi14:39:093:21:008:4411:41
9:20
+0:08
24M
24.00 mi14:48:283:30:198:469:19
9:19
-0:01
40K
24.85 mi14:56:293:38:208:478:01
9:23
+0:04
25.2M
25.20 mi14:59:563:41:478:483:27
10:00
+0:37
Finish
26.22 mi15:09:163:51:078:499:20
9:10
-0:50

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

8:18 /mi

Average Pace

8:49 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:08

69% of race

Time at Steady Pace

57:50

25% of race

Time at Slower Pace

13:09

6% of race

Average Pace: 8:49 /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 mi11:44:1326:048:2326:04
8:23
#16793
10K
6.21 mi12:10:0051:518:2125:47
8:18
#16807
15K
9.32 mi12:36:141:18:058:2326:14
8:27
#17051
20K
12.43 mi13:03:071:44:588:2726:53
8:39
#17228
Half
13.11 mi13:09:031:50:548:285:56
8:42
#17320
25K
15.53 mi13:30:402:12:318:3221:37
8:55
#17513
30K
18.64 mi13:58:172:40:088:3527:37
8:53
#17298
20M
20.00 mi14:10:532:52:448:3812:36
9:16
#17345
21M
21.00 mi14:20:353:02:268:419:42
9:42
#17304
35K
21.75 mi14:27:283:09:198:426:53
9:12
#17366
23M
23.00 mi14:39:093:21:008:4411:41
9:20
#17402
24M
24.00 mi14:48:283:30:198:469:19
9:19
#17473
40K
24.85 mi14:56:293:38:208:478:01
9:23
#17520
25.2M
25.20 mi14:59:563:41:478:483:27
10:00
#17517
Finish
26.22 mi15:09:163:51:078:499:20
9:10
#17592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi16793109841098417414(Top 65%)11231(Top 74%)11231(Top 501%)
10K6.21 mi3.10 mi16807-1411007-2311007-2316915(Top 64%)11077(Top 73%)11077(Top 494%)
15K9.32 mi3.11 mi17051-24411095-8811095-8817414(Top 65%)11231(Top 74%)11231(Top 501%)
20K12.43 mi3.11 mi17228-17711145-5011145-5017815(Top 67%)11389(Top 75%)11389(Top 508%)
Half13.11 mi0.68 mi17320-9211185-4011185-4018867(Top 71%)11832(Top 78%)11832(Top 528%)
25K15.53 mi2.42 mi17513-19311249-6411249-6418528(Top 70%)11639(Top 77%)11639(Top 519%)
30K18.64 mi3.11 mi17298+21511141+10811141+10816585(Top 62%)10738(Top 71%)10738(Top 479%)
20M20.00 mi1.36 mi17345-4711140+111140+117881(Top 67%)11180(Top 74%)11180(Top 499%)
21M21.00 mi1.00 mi17304+4111105+3511105+3516834(Top 63%)10722(Top 71%)10722(Top 478%)
35K21.75 mi0.75 mi17366-6211122-1711122-1718714(Top 70%)11465(Top 76%)11465(Top 512%)
23M23.00 mi1.25 mi17402-3611120+211120+217652(Top 66%)10968(Top 72%)10968(Top 489%)
24M24.00 mi1.00 mi17473-7111146-2611146-2618505(Top 70%)11311(Top 75%)11311(Top 505%)
40K24.85 mi0.85 mi17520-4711145+111145+117836(Top 67%)10958(Top 72%)10958(Top 489%)
25.2M25.20 mi0.35 mi17517+311137+811137+817360(Top 65%)10713(Top 71%)10713(Top 478%)
Finish26.22 mi1.02 mi17592-7511160-2311160-2318716(Top 70%)11406(Top 75%)11406(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17414

Males

11231

M40-44

11231

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16915

Males

11077

M40-44

11077

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17414

Males

11231

M40-44

11231

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17815

Males

11389

M40-44

11389

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18867

Males

11832

M40-44

11832

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18528

Males

11639

M40-44

11639

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16585

Males

10738

M40-44

10738

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17881

Males

11180

M40-44

11180

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16834

Males

10722

M40-44

10722

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18714

Males

11465

M40-44

11465

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17652

Males

10968

M40-44

10968

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18505

Males

11311

M40-44

11311

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17836

Males

10958

M40-44

10958

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17360

Males

10713

M40-44

10713

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18716

Males

11406

M40-44

11406

Passing Analysis

Category:
Athletes Passed
1319
Passed By
2118
Net Change
-799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16793
5K → 10K295309-14#16793#16807
10K → 15K108352-244#16807#17051
15K → 20K117294-177#17051#17228
20K → Half10102-92#17228#17320
Half → 25K72265-193#17320#17513
25K → 30K27762+215#17513#17298
30K → 20M70117-47#17298#17345
20M → 21M10059+41#17345#17304
21M → 35K3597-62#17304#17366
35K → 23M73109-36#17366#17402
23M → 24M40111-71#17402#17473
24M → 40K4996-47#17473#17520
40K → 25.2M3734+3#17520#17517
25.2M → Finish36111-75#17517#17592
TOTALS13192118-799
📊

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