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BOSTON MARATHON 2023

Chris Allen

Bib: 13988•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
7:53/mi
24:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:13:20
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:38:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:43:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:03:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:27/mi
2:29:32
↑ 181↓ 1480.2%
20M
8:35/mi
2:41:12
↑ 64↓ 500.2%
21M
9:49/mi
2:51:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:57:05
↑ 17↓ 861.7%
23M
9:04/mi
3:08:26
↑ 23↓ 630.6%
24M
8:25/mi
3:16:51
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:23:58
↓ 200.3%
25.2M
8:51/mi
3:27:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:35:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4824:317:5324:31
7:53
-
10K
6.21 mi11:18:1048:537:5224:22
7:51
-0:02
15K
9.32 mi11:42:371:13:207:5224:27
7:52
+0:01
20K
12.43 mi12:07:171:38:007:5324:40
7:56
+0:04
Half
13.11 mi12:12:431:43:267:535:26
7:58
+0:02
25K
15.53 mi12:32:332:03:167:5619:50
8:11
+0:13
30K
18.64 mi12:58:492:29:328:0126:16
8:27
+0:16
20M
20.00 mi13:10:292:41:128:0411:40
8:35
+0:08
21M
21.00 mi13:20:182:51:018:099:49
9:49
+1:14
35K
21.75 mi13:26:222:57:058:096:04
8:07
-1:42
23M
23.00 mi13:37:433:08:268:1211:21
9:04
+0:57
24M
24.00 mi13:46:083:16:518:128:25
8:25
-0:39
40K
24.85 mi13:53:153:23:588:127:07
8:19
-0:06
25.2M
25.20 mi13:56:183:27:018:133:03
8:51
+0:32
Finish
26.22 mi14:04:313:35:148:138:13
8:04
-0:47

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

7:51 /mi

Average Pace

8:13 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:20

34% of race

Time at Steady Pace

1:19:45

37% of race

Time at Slower Pace

1:02:09

29% of race

Average Pace: 8:13 /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 mi10:53:4824:317:5324:31
7:53
#13148
10K
6.21 mi11:18:1048:537:5224:22
7:51
#13318
15K
9.32 mi11:42:371:13:207:5224:27
7:52
#13302
20K
12.43 mi12:07:171:38:007:5324:40
7:56
#13182
Half
13.11 mi12:12:431:43:267:535:26
7:58
#13225
25K
15.53 mi12:32:332:03:167:5619:50
8:11
#13335
30K
18.64 mi12:58:492:29:328:0126:16
8:27
#13451
20M
20.00 mi13:10:292:41:128:0411:40
8:35
#13504
21M
21.00 mi13:20:182:51:018:099:49
9:49
#13788
35K
21.75 mi13:26:222:57:058:096:04
8:07
#13740
23M
23.00 mi13:37:433:08:268:1211:21
9:04
#13902
24M
24.00 mi13:46:083:16:518:128:25
8:25
#13895
40K
24.85 mi13:53:153:23:588:127:07
8:19
#13812
25.2M
25.20 mi13:56:183:27:018:133:03
8:51
#13770
Finish
26.22 mi14:04:313:35:148:138:13
8:04
#13697
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi131489606960613259(Top 50%)9603(Top 63%)9603(Top 468%)
10K6.21 mi3.10 mi13318-1709663-579663-5713482(Top 51%)9754(Top 64%)9754(Top 475%)
15K9.32 mi3.11 mi13302+169653+109653+1013259(Top 50%)9603(Top 63%)9603(Top 468%)
20K12.43 mi3.11 mi13182+1209565+889565+8812935(Top 49%)9412(Top 62%)9412(Top 459%)
Half13.11 mi0.68 mi13225-439590-259590-2514022(Top 53%)9905(Top 65%)9905(Top 483%)
25K15.53 mi2.42 mi13335-1109611-219611-2114080(Top 53%)9787(Top 64%)9787(Top 477%)
30K18.64 mi3.11 mi13451-1169621-109621-1014005(Top 53%)9654(Top 64%)9654(Top 470%)
20M20.00 mi1.36 mi13504-539627-69627-614139(Top 53%)9621(Top 63%)9621(Top 469%)
21M21.00 mi1.00 mi13788-2849723-969723-9617297(Top 65%)10907(Top 72%)10907(Top 532%)
35K21.75 mi0.75 mi13740+489692+319692+3112828(Top 48%)8915(Top 59%)8915(Top 434%)
23M23.00 mi1.25 mi13902-1629717-259717-2516358(Top 61%)10386(Top 68%)10386(Top 506%)
24M24.00 mi1.00 mi13895+79685+329685+3213950(Top 52%)9286(Top 61%)9286(Top 453%)
40K24.85 mi0.85 mi13812+839639+469639+4612200(Top 46%)8410(Top 55%)8410(Top 410%)
25.2M25.20 mi0.35 mi13770+429615+249615+2411557(Top 43%)8071(Top 53%)8071(Top 393%)
Finish26.22 mi1.02 mi13697+739570+459570+4512543(Top 47%)8550(Top 56%)8550(Top 417%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13259

Males

9603

M50-54

9603

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13482

Males

9754

M50-54

9754

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13259

Males

9603

M50-54

9603

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12935

Males

9412

M50-54

9412

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14022

Males

9905

M50-54

9905

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14080

Males

9787

M50-54

9787

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14005

Males

9654

M50-54

9654

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14139

Males

9621

M50-54

9621

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17297

Males

10907

M50-54

10907

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12828

Males

8915

M50-54

8915

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16358

Males

10386

M50-54

10386

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13950

Males

9286

M50-54

9286

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12200

Males

8410

M50-54

8410

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11557

Males

8071

M50-54

8071

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12543

Males

8550

M50-54

8550

Passing Analysis

Category:
Athletes Passed
1519
Passed By
2068
Net Change
-549
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13148
5K → 10K229399-170#13148#13318
10K → 15K211195+16#13318#13302
15K → 20K237117+120#13302#13182
20K → Half2265-43#13182#13225
Half → 25K110220-110#13225#13335
25K → 30K152268-116#13335#13451
30K → 20M71124-53#13451#13504
20M → 21M29313-284#13504#13788
21M → 35K7426+48#13788#13740
35K → 23M47209-162#13740#13902
23M → 24M6962+7#13902#13895
24M → 40K10926+83#13895#13812
40K → 25.2M5210+42#13812#13770
25.2M → Finish10734+73#13770#13697
TOTALS15192068-549
📊

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