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BOSTON MARATHON 2023

Darrell Cross

Bib: 17789•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
8:35/mi
26:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:58/mi
54:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:21:11
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:49:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:54:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:49/mi
2:18:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:48:24
↑ 181↓ 1480.2%
20M
9:39/mi
3:01:31
↑ 64↓ 500.2%
21M
11:04/mi
3:12:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:18:57
↑ 17↓ 861.7%
23M
9:16/mi
3:30:33
↑ 23↓ 630.6%
24M
9:25/mi
3:39:58
↓ 821.3%
40K· 24.85 mi
9:34/mi
3:48:09
↓ 200.3%
25.2M
9:43/mi
3:51:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:42/mi
4:00:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:55
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:05:27
Pace9:34 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5926:408:3526:40
8:35
-
10K
6.21 mi11:46:5254:338:4727:53
8:58
+0:23
15K
9.32 mi12:13:301:21:118:4326:38
8:34
-0:24
20K
12.43 mi12:41:231:49:048:4727:53
8:58
+0:24
Half
13.11 mi12:47:141:54:558:465:51
8:34
-0:24
25K
15.53 mi13:11:032:18:448:5623:49
9:49
+1:15
30K
18.64 mi13:40:432:48:249:0229:40
9:33
-0:16
20M
20.00 mi13:53:503:01:319:0513:07
9:39
+0:06
21M
21.00 mi14:04:543:12:359:1011:04
11:04
+1:25
35K
21.75 mi14:11:163:18:579:096:22
8:31
-2:33
23M
23.00 mi14:22:523:30:339:0911:36
9:16
+0:45
24M
24.00 mi14:32:173:39:589:109:25
9:25
+0:09
40K
24.85 mi14:40:283:48:099:118:11
9:34
+0:09
25.2M
25.20 mi14:43:493:51:309:113:21
9:43
+0:09
Finish
26.22 mi14:52:414:00:229:108:52
8:42
-1:01

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

8:31 /mi

Average Pace

9:10 /mi

Slowest Pace

11:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:23

31% of race

Time at Steady Pace

1:54:38

48% of race

Time at Slower Pace

51:21

21% of race

Average Pace: 9:10 /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 mi11:18:5926:408:3526:40
8:35
#18126
10K
6.21 mi11:46:5254:338:4727:53
8:58
#19563
15K
9.32 mi12:13:301:21:118:4326:38
8:34
#19095
20K
12.43 mi12:41:231:49:048:4727:53
8:58
#19208
Half
13.11 mi12:47:141:54:558:465:51
8:34
#19145
25K
15.53 mi13:11:032:18:448:5623:49
9:49
#19784
30K
18.64 mi13:40:432:48:249:0229:40
9:33
#19744
20M
20.00 mi13:53:503:01:319:0513:07
9:39
#19706
21M
21.00 mi14:04:543:12:359:1011:04
11:04
#19811
35K
21.75 mi14:11:163:18:579:096:22
8:31
#19666
23M
23.00 mi14:22:523:30:339:0911:36
9:16
#19539
24M
24.00 mi14:32:173:39:589:109:25
9:25
#19532
40K
24.85 mi14:40:283:48:099:118:11
9:34
#19499
25.2M
25.20 mi14:43:493:51:309:113:21
9:43
#19461
Finish
26.22 mi14:52:414:00:229:108:52
8:42
#19379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18126114701147018271(Top 69%)11595(Top 76%)11595(Top 815%)
10K6.21 mi3.10 mi19563-143712035-56512035-56520768(Top 78%)12615(Top 83%)12615(Top 887%)
15K9.32 mi3.11 mi19095+46811886+14911886+14918271(Top 69%)11595(Top 76%)11595(Top 815%)
20K12.43 mi3.11 mi19208-11311946-6011946-6019574(Top 74%)12134(Top 80%)12134(Top 853%)
Half13.11 mi0.68 mi19145+6311920+2611920+2618162(Top 68%)11568(Top 76%)11568(Top 814%)
25K15.53 mi2.42 mi19784-63912165-24512165-24521783(Top 82%)13046(Top 86%)13046(Top 917%)
30K18.64 mi3.11 mi19744+4012142+2312142+2319604(Top 74%)12047(Top 79%)12047(Top 847%)
20M20.00 mi1.36 mi19706+3812125+1712125+1719391(Top 73%)11855(Top 78%)11855(Top 834%)
21M21.00 mi1.00 mi19811-10512161-3612161-3620954(Top 79%)12497(Top 82%)12497(Top 879%)
35K21.75 mi0.75 mi19666+14512091+7012091+7015383(Top 58%)10036(Top 66%)10036(Top 706%)
23M23.00 mi1.25 mi19539+12712031+6012031+6017358(Top 65%)10863(Top 72%)10863(Top 764%)
24M24.00 mi1.00 mi19532+712010+2112010+2118904(Top 71%)11495(Top 76%)11495(Top 808%)
40K24.85 mi0.85 mi19499+3311988+2211988+2218571(Top 70%)11293(Top 74%)11293(Top 794%)
25.2M25.20 mi0.35 mi19461+3811969+1911969+1916155(Top 61%)10199(Top 67%)10199(Top 717%)
Finish26.22 mi1.02 mi19379+8211935+3411935+3416488(Top 62%)10385(Top 68%)10385(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

18271

Males

11595

M55-59

11595

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20768

Males

12615

M55-59

12615

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

18271

Males

11595

M55-59

11595

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19574

Males

12134

M55-59

12134

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18162

Males

11568

M55-59

11568

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

21783

Males

13046

M55-59

13046

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19604

Males

12047

M55-59

12047

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19391

Males

11855

M55-59

11855

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

20954

Males

12497

M55-59

12497

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15383

Males

10036

M55-59

10036

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17358

Males

10863

M55-59

10863

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18904

Males

11495

M55-59

11495

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18571

Males

11293

M55-59

11293

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16155

Males

10199

M55-59

10199

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16488

Males

10385

M55-59

10385

Passing Analysis

Category:
Athletes Passed
1649
Passed By
2902
Net Change
-1253
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18126
5K → 10K371474-1437#18126#19563
10K → 15K52052+468#19563#19095
15K → 20K118231-113#19095#19208
20K → Half685+63#19208#19145
Half → 25K17656-639#19145#19784
25K → 30K190150+40#19784#19744
30K → 20M10062+38#19744#19706
20M → 21M54159-105#19706#19811
21M → 35K1483+145#19811#19666
35K → 23M14013+127#19666#19539
23M → 24M5447+7#19539#19532
24M → 40K6734+33#19532#19499
40K → 25.2M402+38#19499#19461
25.2M → Finish9614+82#19461#19379
TOTALS16492902-1253
📊

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