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BOSTON MARATHON 2023

Christopher Denno

Bib: 3878•M

MD

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #2961
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
40:47
Rank: #2880 (+81)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:05
Rank: #2840 (+40)
10K → 15K
20:18 | 6:32/mi
20K· 12.43 mi
1:21:56
Rank: #3033 (-193)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:26:28
Rank: #3064 (-31)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:40
Rank: #3056 (+8)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:03:41
Rank: #2940 (+116)
25K → 30K
21:01 | 6:46/mi
20M
2:12:45
Rank: #2860 (+80)
30K → 20M
9:04 | 6:40/mi
21M
2:19:30
Rank: #2698 (+162)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:24:22
Rank: #2667 (+31)
21M → 35K
4:52 | 6:30/mi
23M
2:32:56
Rank: #2645 (+22)
35K → 23M
8:34 | 6:51/mi
24M
2:39:31
Rank: #2612 (+33)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:45:11
Rank: #2566 (+46)
24M → 40K
5:40 | 6:38/mi
25.2M
2:47:34
Rank: #2539 (+27)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:53:50
Rank: #2433 (+106)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:28
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:27:22
Pace6:40 /mi
📊Positive Split: 1.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0620:336:3720:33
6:37
-
10K
6.21 mi10:42:2040:476:3420:14
6:31
-0:06
15K
9.32 mi11:02:381:01:056:3320:18
6:32
+0:01
20K
12.43 mi11:23:291:21:566:3620:51
6:43
+0:11
Half
13.11 mi11:28:011:26:286:364:32
6:39
-0:04
25K
15.53 mi11:44:131:42:406:3716:12
6:41
+0:02
30K
18.64 mi12:05:142:03:416:3821:01
6:46
+0:05
20M
20.00 mi12:14:182:12:456:389:04
6:40
-0:06
21M
21.00 mi12:21:032:19:306:396:45
6:45
+0:05
35K
21.75 mi12:25:552:24:226:384:52
6:30
-0:15
23M
23.00 mi12:34:292:32:566:398:34
6:51
+0:21
24M
24.00 mi12:41:042:39:316:396:35
6:35
-0:16
40K
24.85 mi12:46:442:45:116:395:40
6:38
+0:03
25.2M
25.20 mi12:49:072:47:346:392:23
6:55
+0:17
Finish
26.22 mi12:55:232:53:506:386:16
6:09
-0:46

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

6:09 /mi

Average Pace

6:38 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:52

82% of race

Time at Steady Pace

31:58

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:0620:336:3720:33
6:37
#2961
10K
6.21 mi10:42:2040:476:3420:14
6:31
#2880
15K
9.32 mi11:02:381:01:056:3320:18
6:32
#2840
20K
12.43 mi11:23:291:21:566:3620:51
6:43
#3033
Half
13.11 mi11:28:011:26:286:364:32
6:39
#3064
25K
15.53 mi11:44:131:42:406:3716:12
6:41
#3056
30K
18.64 mi12:05:142:03:416:3821:01
6:46
#2940
20M
20.00 mi12:14:182:12:456:389:04
6:40
#2860
21M
21.00 mi12:21:032:19:306:396:45
6:45
#2698
35K
21.75 mi12:25:552:24:226:384:52
6:30
#2667
23M
23.00 mi12:34:292:32:566:398:34
6:51
#2645
24M
24.00 mi12:41:042:39:316:396:35
6:35
#2612
40K
24.85 mi12:46:442:45:116:395:40
6:38
#2566
25.2M
25.20 mi12:49:072:47:346:392:23
6:55
#2539
Finish
26.22 mi12:55:232:53:506:386:16
6:09
#2433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2961281128112841(Top 11%)2715(Top 18%)2715(Top 51%)
10K6.21 mi3.10 mi2880+812746+652746+652861(Top 11%)2733(Top 18%)2733(Top 52%)
15K9.32 mi3.11 mi2840+402711+352711+352841(Top 11%)2715(Top 18%)2715(Top 51%)
20K12.43 mi3.11 mi3033-1932895-1842895-1843646(Top 14%)3450(Top 23%)3450(Top 65%)
Half13.11 mi0.68 mi3064-312922-272922-273713(Top 14%)3497(Top 23%)3497(Top 66%)
25K15.53 mi2.42 mi3056+82914+82914+83214(Top 12%)3062(Top 20%)3062(Top 58%)
30K18.64 mi3.11 mi2940+1162809+1052809+1052759(Top 10%)2617(Top 17%)2617(Top 50%)
20M20.00 mi1.36 mi2860+802734+752734+752162(Top 8%)2057(Top 14%)2057(Top 39%)
21M21.00 mi1.00 mi2698+1622578+1562578+1561275(Top 5%)1217(Top 8%)1217(Top 23%)
35K21.75 mi0.75 mi2667+312550+282550+282427(Top 9%)2299(Top 15%)2299(Top 44%)
23M23.00 mi1.25 mi2645+222528+222528+222875(Top 11%)2685(Top 18%)2685(Top 51%)
24M24.00 mi1.00 mi2612+332496+322496+322459(Top 9%)2295(Top 15%)2295(Top 43%)
40K24.85 mi0.85 mi2566+462449+472449+472033(Top 8%)1903(Top 13%)1903(Top 36%)
25.2M25.20 mi0.35 mi2539+272423+262423+261489(Top 6%)1406(Top 9%)1406(Top 27%)
Finish26.22 mi1.02 mi2433+1062324+992324+991141(Top 4%)1087(Top 7%)1087(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2841

Males

2715

M18-39

2715

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2861

Males

2733

M18-39

2733

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2841

Males

2715

M18-39

2715

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3646

Males

3450

M18-39

3450

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3713

Males

3497

M18-39

3497

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3214

Males

3062

M18-39

3062

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2759

Males

2617

M18-39

2617

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2162

Males

2057

M18-39

2057

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1275

Males

1217

M18-39

1217

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2427

Males

2299

M18-39

2299

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2875

Males

2685

M18-39

2685

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2459

Males

2295

M18-39

2295

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2033

Males

1903

M18-39

1903

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1489

Males

1406

M18-39

1406

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1141

Males

1087

M18-39

1087

Passing Analysis

Category:
Athletes Passed
1154
Passed By
626
Net Change
+528
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2961
5K → 10K205124+81#2961#2880
10K → 15K10868+40#2880#2840
15K → 20K24217-193#2840#3033
20K → Half435-31#3033#3064
Half → 25K6658+8#3064#3056
25K → 30K14024+116#3056#2940
30K → 20M888+80#2940#2860
20M → 21M1631+162#2860#2698
21M → 35K4110+31#2698#2667
35K → 23M5432+22#2667#2645
23M → 24M6229+33#2645#2612
24M → 40K559+46#2612#2566
40K → 25.2M336+27#2566#2539
25.2M → Finish1115+106#2539#2433
TOTALS1154626+528
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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