Boston Marathon logo
BOSTON MARATHON 2023

Daniel Humm

Bib: 8538•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 24%
Masters (Masters Men)
#0 / 9891
Top 11%
Division (M45-49)
#0 / 2252
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #2150
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
40:46
Rank: #2870 (-720)
5K → 10K
20:39 | 6:39/mi
15K· 9.32 mi
1:01:28
Rank: #3172 (-302)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:25
Rank: #3320 (-148)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:26:58
Rank: #3345 (-25)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:15
Rank: #3327 (+18)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:38
Rank: #3338 (-11)
25K → 30K
21:23 | 6:53/mi
20M
2:14:24
Rank: #3461 (-123)
30K → 20M
9:46 | 7:11/mi
21M
2:22:00
Rank: #3557 (-96)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:27:08
Rank: #3583 (-26)
21M → 35K
5:08 | 6:52/mi
23M
2:36:04
Rank: #3608 (-25)
35K → 23M
8:56 | 7:08/mi
24M
2:43:03
Rank: #3663 (-55)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:49:18
Rank: #3756 (-93)
24M → 40K
6:15 | 7:19/mi
25.2M
2:51:56
Rank: #3780 (-24)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:58:53
Rank: #3812 (-32)
25.2M → Finish
6:57 | 6:49/mi

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
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:31:55
Pace7:01 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:0920:076:2820:07
6:28
-
10K
6.21 mi11:05:4840:466:3420:39
6:39
+0:11
15K
9.32 mi11:26:301:01:286:3620:42
6:40
+0:01
20K
12.43 mi11:47:271:22:256:3820:57
6:45
+0:05
Half
13.11 mi11:52:001:26:586:384:33
6:40
-0:05
25K
15.53 mi12:08:171:43:156:3916:17
6:43
+0:03
30K
18.64 mi12:29:402:04:386:4121:23
6:53
+0:10
20M
20.00 mi12:39:262:14:246:439:46
7:11
+0:18
21M
21.00 mi12:47:022:22:006:467:36
7:36
+0:25
35K
21.75 mi12:52:102:27:086:465:08
6:52
-0:44
23M
23.00 mi13:01:062:36:046:478:56
7:08
+0:16
24M
24.00 mi13:08:052:43:036:486:59
6:59
-0:09
40K
24.85 mi13:14:202:49:186:496:15
7:19
+0:20
25.2M
25.20 mi13:16:582:51:566:492:38
7:38
+0:19
Finish
26.22 mi13:23:552:58:536:506:57
6:49
-0:49

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

6:28 /mi

Average Pace

6:50 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:42

80% of race

Time at Steady Pace

32:33

18% of race

Time at Slower Pace

2:38

1% of race

Average Pace: 6:49 /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 mi10:45:0920:076:2820:07
6:28
#2150
10K
6.21 mi11:05:4840:466:3420:39
6:39
#2870
15K
9.32 mi11:26:301:01:286:3620:42
6:40
#3172
20K
12.43 mi11:47:271:22:256:3820:57
6:45
#3320
Half
13.11 mi11:52:001:26:586:384:33
6:40
#3345
25K
15.53 mi12:08:171:43:156:3916:17
6:43
#3327
30K
18.64 mi12:29:402:04:386:4121:23
6:53
#3338
20M
20.00 mi12:39:262:14:246:439:46
7:11
#3461
21M
21.00 mi12:47:022:22:006:467:36
7:36
#3557
35K
21.75 mi12:52:102:27:086:465:08
6:52
#3583
23M
23.00 mi13:01:062:36:046:478:56
7:08
#3608
24M
24.00 mi13:08:052:43:036:486:59
6:59
#3663
40K
24.85 mi13:14:202:49:186:496:15
7:19
#3756
25.2M
25.20 mi13:16:582:51:566:492:38
7:38
#3780
Finish
26.22 mi13:23:552:58:536:506:57
6:49
#3812
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2150205020503785(Top 14%)3564(Top 23%)3564(Top 158%)
10K6.21 mi3.10 mi2870-7202736-6862736-6863861(Top 15%)3638(Top 24%)3638(Top 162%)
15K9.32 mi3.11 mi3172-3023021-2853021-2853785(Top 14%)3564(Top 23%)3564(Top 158%)
20K12.43 mi3.11 mi3320-1483156-1353156-1353920(Top 15%)3694(Top 24%)3694(Top 164%)
Half13.11 mi0.68 mi3345-253179-233179-234031(Top 15%)3783(Top 25%)3783(Top 168%)
25K15.53 mi2.42 mi3327+183165+143165+143490(Top 13%)3303(Top 22%)3303(Top 147%)
30K18.64 mi3.11 mi3338-113168-33168-33543(Top 13%)3327(Top 22%)3327(Top 148%)
20M20.00 mi1.36 mi3461-1233273-1053273-1055025(Top 19%)4558(Top 30%)4558(Top 202%)
21M21.00 mi1.00 mi3557-963368-953368-955055(Top 19%)4508(Top 30%)4508(Top 200%)
35K21.75 mi0.75 mi3583-263389-213389-214540(Top 17%)4131(Top 27%)4131(Top 183%)
23M23.00 mi1.25 mi3608-253407-183407-184459(Top 17%)4045(Top 27%)4045(Top 180%)
24M24.00 mi1.00 mi3663-553454-473454-474574(Top 17%)4110(Top 27%)4110(Top 183%)
40K24.85 mi0.85 mi3756-933530-763530-765474(Top 21%)4661(Top 31%)4661(Top 207%)
25.2M25.20 mi0.35 mi3780-243553-233553-234500(Top 17%)3913(Top 26%)3913(Top 174%)
Finish26.22 mi1.02 mi3812-323579-263579-264177(Top 16%)3681(Top 24%)3681(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3785

Males

3564

M45-49

3564

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3861

Males

3638

M45-49

3638

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3785

Males

3564

M45-49

3564

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3920

Males

3694

M45-49

3694

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4031

Males

3783

M45-49

3783

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3490

Males

3303

M45-49

3303

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3543

Males

3327

M45-49

3327

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5025

Males

4558

M45-49

4558

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5055

Males

4508

M45-49

4508

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4540

Males

4131

M45-49

4131

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4459

Males

4045

M45-49

4045

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4574

Males

4110

M45-49

4110

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5474

Males

4661

M45-49

4661

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4500

Males

3913

M45-49

3913

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4177

Males

3681

M45-49

3681

Passing Analysis

Category:
Athletes Passed
491
Passed By
2153
Net Change
-1662
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2150
5K → 10K6726-720#2150#2870
10K → 15K19321-302#2870#3172
15K → 20K48196-148#3172#3320
20K → Half833-25#3320#3345
Half → 25K8365+18#3345#3327
25K → 30K8798-11#3327#3338
30K → 20M29152-123#3338#3461
20M → 21M25121-96#3461#3557
21M → 35K2753-26#3557#3583
35K → 23M5681-25#3583#3608
23M → 24M3085-55#3608#3663
24M → 40K25118-93#3663#3756
40K → 25.2M1337-24#3756#3780
25.2M → Finish3567-32#3780#3812
TOTALS4912153-1662
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing