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BOSTON MARATHON 2023

David Curtis

Bib: 30695•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
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
8:33/mi
26:34
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
51:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:16:26
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:41:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:46:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:07:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:33:05
↑ 181↓ 1480.2%
20M
8:07/mi
2:44:07
↑ 64↓ 500.2%
21M
8:28/mi
2:52:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:58:39
↑ 17↓ 861.7%
23M
8:19/mi
3:09:04
↑ 23↓ 630.6%
24M
8:14/mi
3:17:18
↓ 821.3%
40K· 24.85 mi
8:23/mi
3:24:28
↓ 200.3%
25.2M
8:45/mi
3:27:29
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:35:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:48:49
Pace8:18 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1926:348:3326:34
8:33
-
10K
6.21 mi12:09:5751:128:1424:38
7:56
-0:37
15K
9.32 mi12:35:111:16:268:1225:14
8:07
+0:11
20K
12.43 mi13:00:031:41:188:0924:52
8:00
-0:07
Half
13.11 mi13:05:331:46:488:095:30
8:04
+0:04
25K
15.53 mi13:26:292:07:448:1320:56
8:38
+0:34
30K
18.64 mi13:51:502:33:058:1325:21
8:10
-0:28
20M
20.00 mi14:02:522:44:078:1211:02
8:07
-0:03
21M
21.00 mi14:11:202:52:358:138:28
8:28
+0:21
35K
21.75 mi14:17:242:58:398:136:04
8:07
-0:21
23M
23.00 mi14:27:493:09:048:1310:25
8:19
+0:12
24M
24.00 mi14:36:033:17:188:138:14
8:14
-0:05
40K
24.85 mi14:43:133:24:288:147:10
8:23
+0:09
25.2M
25.20 mi14:46:143:27:298:143:01
8:45
+0:22
Finish
26.22 mi14:54:223:35:378:148:08
7:59
-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

7:56 /mi

Average Pace

8:14 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:32:36

99% of race

Time at Steady Pace

3:01

1% of race

Time at Slower Pace

0:00

0% 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 mi11:45:1926:348:3326:34
8:33
#17901
10K
6.21 mi12:09:5751:128:1424:38
7:56
#16103
15K
9.32 mi12:35:111:16:268:1225:14
8:07
#15825
20K
12.43 mi13:00:031:41:188:0924:52
8:00
#15258
Half
13.11 mi13:05:331:46:488:095:30
8:04
#15223
25K
15.53 mi13:26:292:07:448:1320:56
8:38
#15507
30K
18.64 mi13:51:502:33:058:1325:21
8:10
#14896
20M
20.00 mi14:02:522:44:078:1211:02
8:07
#14596
21M
21.00 mi14:11:202:52:358:138:28
8:28
#14341
35K
21.75 mi14:17:242:58:398:136:04
8:07
#14266
23M
23.00 mi14:27:493:09:048:1310:25
8:19
#14091
24M
24.00 mi14:36:033:17:188:138:14
8:14
#14023
40K
24.85 mi14:43:133:24:288:147:10
8:23
#13943
25.2M
25.20 mi14:46:143:27:298:143:01
8:45
#13894
Finish
26.22 mi14:54:223:35:378:148:08
7:59
#13806
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17901113901139015294(Top 57%)10426(Top 69%)10426(Top 197%)
10K6.21 mi3.10 mi16103+179810742+64810742+64814221(Top 53%)10011(Top 66%)10011(Top 189%)
15K9.32 mi3.11 mi15825+27810635+10710635+10715294(Top 57%)10426(Top 69%)10426(Top 197%)
20K12.43 mi3.11 mi15258+56710393+24210393+24213451(Top 51%)9643(Top 64%)9643(Top 182%)
Half13.11 mi0.68 mi15223+3510378+1510378+1514784(Top 56%)10201(Top 67%)10201(Top 193%)
25K15.53 mi2.42 mi15507-28410454-7610454-7616990(Top 64%)10965(Top 72%)10965(Top 207%)
30K18.64 mi3.11 mi14896+61110200+25410200+25412065(Top 45%)8835(Top 58%)8835(Top 167%)
20M20.00 mi1.36 mi14596+30010052+14810052+14811157(Top 42%)8341(Top 55%)8341(Top 158%)
21M21.00 mi1.00 mi14341+2559917+1359917+13510277(Top 39%)7755(Top 51%)7755(Top 147%)
35K21.75 mi0.75 mi14266+759878+399878+3912829(Top 48%)8916(Top 59%)8916(Top 169%)
23M23.00 mi1.25 mi14091+1759789+899789+8912026(Top 45%)8486(Top 56%)8486(Top 161%)
24M24.00 mi1.00 mi14023+689740+499740+4912812(Top 48%)8770(Top 58%)8770(Top 166%)
40K24.85 mi0.85 mi13943+809687+539687+5312570(Top 47%)8578(Top 57%)8578(Top 162%)
25.2M25.20 mi0.35 mi13894+499658+299658+2910988(Top 41%)7799(Top 51%)7799(Top 148%)
Finish26.22 mi1.02 mi13806+889615+439615+4311975(Top 45%)8273(Top 55%)8273(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15294

Males

10426

M18-39

10426

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14221

Males

10011

M18-39

10011

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15294

Males

10426

M18-39

10426

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13451

Males

9643

M18-39

9643

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14784

Males

10201

M18-39

10201

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16990

Males

10965

M18-39

10965

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12065

Males

8835

M18-39

8835

30K→20M

18.6 - 20.0 mi

Top 42%
×5story building
+64ft-50ft

Overall

11157

Males

8341

M18-39

8341

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10277

Males

7755

M18-39

7755

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

12829

Males

8916

M18-39

8916

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12026

Males

8486

M18-39

8486

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12812

Males

8770

M18-39

8770

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12570

Males

8578

M18-39

8578

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10988

Males

7799

M18-39

7799

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11975

Males

8273

M18-39

8273

Passing Analysis

Category:
Athletes Passed
4731
Passed By
636
Net Change
+4095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17901
5K → 10K182830+1798#17901#16103
10K → 15K36385+278#16103#15825
15K → 20K58114+567#15825#15258
20K → Half5520+35#15258#15223
Half → 25K65349-284#15223#15507
25K → 30K6176+611#15507#14896
30K → 20M3011+300#14896#14596
20M → 21M2605+255#14596#14341
21M → 35K9015+75#14341#14266
35K → 23M19217+175#14266#14091
23M → 24M10032+68#14091#14023
24M → 40K10525+80#14023#13943
40K → 25.2M6011+49#13943#13894
25.2M → Finish11426+88#13894#13806
TOTALS4731636+4095
📊

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