Boston Marathon logo
BOSTON MARATHON 2023

Marco Schuldt

Bib: 31077•M

0:00
0:00
/ mi
Be the first to cheer!
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
9:23/mi
29:09
↑ 97↓ 3451.5%
10K· 6.21 mi
9:19/mi
58:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:38/mi
1:28:02
↑ 67↓ 78
20K· 12.43 mi
9:34/mi
1:57:44
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:04:10
↑ 19↓ 370.5%
25K· 15.53 mi
10:10/mi
2:28:50
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
3:01:45
↑ 181↓ 1480.2%
20M
11:04/mi
3:16:48
↑ 64↓ 500.2%
21M
11:34/mi
3:28:22
↑ 106↓ 241.6%
35K· 21.75 mi
10:36/mi
3:36:18
↑ 17↓ 861.7%
23M
11:12/mi
3:50:19
↑ 23↓ 630.6%
24M
10:30/mi
4:00:49
↓ 821.3%
40K· 24.85 mi
10:04/mi
4:09:25
↓ 200.3%
25.2M
12:08/mi
4:13:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:43/mi
4:23:30
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:10
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:19:20
Pace10:38 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0229:099:2329:09
9:23
-
10K
6.21 mi12:19:0058:079:2128:58
9:19
-0:04
15K
9.32 mi12:48:551:28:029:2729:55
9:38
+0:19
20K
12.43 mi13:18:371:57:449:2829:42
9:34
-0:04
Half
13.11 mi13:25:032:04:109:286:26
9:26
-0:08
25K
15.53 mi13:49:432:28:509:3524:40
10:10
+0:44
30K
18.64 mi14:22:383:01:459:4532:55
10:36
+0:26
20M
20.00 mi14:37:413:16:489:5015:03
11:04
+0:28
21M
21.00 mi14:49:153:28:229:5511:34
11:34
+0:30
35K
21.75 mi14:57:113:36:189:577:56
10:36
-0:58
23M
23.00 mi15:11:123:50:1910:0114:01
11:12
+0:36
24M
24.00 mi15:21:424:00:4910:0210:30
10:30
-0:42
40K
24.85 mi15:30:184:09:2510:028:36
10:04
-0:26
25.2M
25.20 mi15:34:294:13:3610:044:11
12:08
+2:04
Finish
26.22 mi15:44:234:23:3010:039:54
9:43
-2:25

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

9:19 /mi

Average Pace

10:03 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:04

51% of race

Time at Steady Pace

43:46

17% of race

Time at Slower Pace

1:25:40

33% of race

Average Pace: 10:03 /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 mi11:50:0229:099:2329:09
9:23
#21765
10K
6.21 mi12:19:0058:079:2128:58
9:19
#21888
15K
9.32 mi12:48:551:28:029:2729:55
9:38
#22138
20K
12.43 mi13:18:371:57:449:2829:42
9:34
#22017
Half
13.11 mi13:25:032:04:109:286:26
9:26
#22012
25K
15.53 mi13:49:432:28:509:3524:40
10:10
#22137
30K
18.64 mi14:22:383:01:459:4532:55
10:36
#22214
20M
20.00 mi14:37:413:16:489:5015:03
11:04
#22256
21M
21.00 mi14:49:153:28:229:5511:34
11:34
#22222
35K
21.75 mi14:57:113:36:189:577:56
10:36
#22239
23M
23.00 mi15:11:123:50:1910:0114:01
11:12
#22282
24M
24.00 mi15:21:424:00:4910:0210:30
10:30
#22275
40K
24.85 mi15:30:184:09:2510:028:36
10:04
#22195
25.2M
25.20 mi15:34:294:13:3610:044:11
12:08
#22210
Finish
26.22 mi15:44:234:23:3010:039:54
9:43
#22150
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21765129721297222592(Top 85%)13445(Top 89%)13445(Top 254%)
10K6.21 mi3.10 mi21888-12313081-10913081-10922003(Top 83%)13163(Top 87%)13163(Top 249%)
15K9.32 mi3.11 mi22138-25013209-12813209-12822592(Top 85%)13445(Top 89%)13445(Top 254%)
20K12.43 mi3.11 mi22017+12113150+5913150+5921725(Top 82%)13067(Top 86%)13067(Top 247%)
Half13.11 mi0.68 mi22012+513155-513155-521896(Top 82%)13148(Top 87%)13148(Top 249%)
25K15.53 mi2.42 mi22137-12513211-5613211-5622545(Top 85%)13382(Top 88%)13382(Top 253%)
30K18.64 mi3.11 mi22214-7713237-2613237-2622396(Top 84%)13249(Top 87%)13249(Top 251%)
20M20.00 mi1.36 mi22256-4213248-1113248-1122826(Top 86%)13383(Top 88%)13383(Top 253%)
21M21.00 mi1.00 mi22222+3413219+2913219+2921985(Top 83%)12984(Top 86%)12984(Top 246%)
35K21.75 mi0.75 mi22239-1713222-313222-322566(Top 85%)13186(Top 87%)13186(Top 249%)
23M23.00 mi1.25 mi22282-4313231-913231-922707(Top 85%)13246(Top 87%)13246(Top 251%)
24M24.00 mi1.00 mi22275+713223+813223+822035(Top 83%)12895(Top 85%)12895(Top 244%)
40K24.85 mi0.85 mi22195+8013178+4513178+4520127(Top 76%)11986(Top 79%)11986(Top 227%)
25.2M25.20 mi0.35 mi22210-1513184-613184-622715(Top 85%)13186(Top 87%)13186(Top 249%)
Finish26.22 mi1.02 mi22150+6013142+4213142+4220847(Top 78%)12346(Top 81%)12346(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22592

Males

13445

M18-39

13445

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22003

Males

13163

M18-39

13163

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22592

Males

13445

M18-39

13445

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21725

Males

13067

M18-39

13067

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21896

Males

13148

M18-39

13148

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22545

Males

13382

M18-39

13382

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22396

Males

13249

M18-39

13249

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22826

Males

13383

M18-39

13383

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

21985

Males

12984

M18-39

12984

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22566

Males

13186

M18-39

13186

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22707

Males

13246

M18-39

13246

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22035

Males

12895

M18-39

12895

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20127

Males

11986

M18-39

11986

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22715

Males

13186

M18-39

13186

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20847

Males

12346

M18-39

12346

Passing Analysis

Category:
Athletes Passed
1085
Passed By
1470
Net Change
-385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21765
5K → 10K204327-123#21765#21888
10K → 15K87337-250#21888#22138
15K → 20K19675+121#22138#22017
20K → Half3126+5#22017#22012
Half → 25K66191-125#22012#22137
25K → 30K103180-77#22137#22214
30K → 20M5092-42#22214#22256
20M → 21M7440+34#22256#22222
21M → 35K2643-17#22222#22239
35K → 23M3578-43#22239#22282
23M → 24M4538+7#22282#22275
24M → 40K866+80#22275#22195
40K → 25.2M1126-15#22195#22210
25.2M → Finish7111+60#22210#22150
TOTALS10851470-385
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing