Boston Marathon logo
BOSTON MARATHON 2023

Mike Hahn

Bib: 10500•M

MT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 25%
Gender (Male)
#0 / 15176
Top 38%
Masters (Masters Men)
#0 / 9891
Top 24%
Division (M45-49)
#0 / 2252
Top 31%
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
7:33/mi
23:26
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:07:52
↑ 67↓ 78
20K· 12.43 mi
7:08/mi
1:30:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:05/mi
1:34:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:52:13
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:14:45
↑ 181↓ 1480.2%
20M
7:27/mi
2:24:53
↑ 64↓ 500.2%
21M
7:35/mi
2:32:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:37:46
↑ 17↓ 861.7%
23M
7:20/mi
2:46:57
↑ 23↓ 630.6%
24M
7:22/mi
2:54:19
↓ 821.3%
40K· 24.85 mi
7:23/mi
3:00:38
↓ 200.3%
25.2M
7:56/mi
3:03:22
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:10:31
↑ 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 Half⚖️ Balanced
Distance13.11 mi
Time1:34:51
Pace7:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:40
Pace7:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0023:267:3323:26
7:33
-
10K
6.21 mi11:12:2545:517:2322:25
7:13
-0:20
15K
9.32 mi11:34:261:07:527:1722:01
7:05
-0:08
20K
12.43 mi11:56:351:30:017:1522:09
7:08
+0:03
Half
13.11 mi12:01:251:34:517:144:50
7:05
-0:03
25K
15.53 mi12:18:471:52:137:1317:22
7:10
+0:05
30K
18.64 mi12:41:192:14:457:1422:32
7:15
+0:05
20M
20.00 mi12:51:272:24:537:1510:08
7:27
+0:12
21M
21.00 mi12:59:022:32:287:167:35
7:35
+0:08
35K
21.75 mi13:04:202:37:467:155:18
7:05
-0:30
23M
23.00 mi13:13:312:46:577:169:11
7:20
+0:15
24M
24.00 mi13:20:532:54:197:167:22
7:22
+0:02
40K
24.85 mi13:27:123:00:387:166:19
7:23
+0:01
25.2M
25.20 mi13:29:563:03:227:172:44
7:56
+0:33
Finish
26.22 mi13:37:053:10:317:167:09
7:01
-0:55

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

7:01 /mi

Average Pace

7:16 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:47

99% of race

Time at Steady Pace

2:44

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:50:0023:267:3323:26
7:33
#9989
10K
6.21 mi11:12:2545:517:2322:25
7:13
#9016
15K
9.32 mi11:34:261:07:527:1722:01
7:05
#8317
20K
12.43 mi11:56:351:30:017:1522:09
7:08
#7851
Half
13.11 mi12:01:251:34:517:144:50
7:05
#7797
25K
15.53 mi12:18:471:52:137:1317:22
7:10
#7536
30K
18.64 mi12:41:192:14:457:1422:32
7:15
#7144
20M
20.00 mi12:51:272:24:537:1510:08
7:27
#7071
21M
21.00 mi12:59:022:32:287:167:35
7:35
#6926
35K
21.75 mi13:04:202:37:467:155:18
7:05
#6866
23M
23.00 mi13:13:312:46:577:169:11
7:20
#6740
24M
24.00 mi13:20:532:54:197:167:22
7:22
#6704
40K
24.85 mi13:27:123:00:387:166:19
7:23
#6641
25.2M
25.20 mi13:29:563:03:227:172:44
7:56
#6614
Finish
26.22 mi13:37:053:10:317:167:09
7:01
#6531
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9989811481147066(Top 27%)6291(Top 41%)6291(Top 279%)
10K6.21 mi3.10 mi9016+9737581+5337581+5338193(Top 31%)7071(Top 47%)7071(Top 314%)
15K9.32 mi3.11 mi8317+6997152+4297152+4297066(Top 27%)6291(Top 41%)6291(Top 279%)
20K12.43 mi3.11 mi7851+4666842+3106842+3106706(Top 25%)5989(Top 39%)5989(Top 266%)
Half13.11 mi0.68 mi7797+546802+406802+407023(Top 26%)6240(Top 41%)6240(Top 277%)
25K15.53 mi2.42 mi7536+2616621+1816621+1816451(Top 24%)5763(Top 38%)5763(Top 256%)
30K18.64 mi3.11 mi7144+3926322+2996322+2995790(Top 22%)5216(Top 34%)5216(Top 232%)
20M20.00 mi1.36 mi7071+736258+646258+646491(Top 24%)5641(Top 37%)5641(Top 250%)
21M21.00 mi1.00 mi6926+1456138+1206138+1205012(Top 19%)4490(Top 30%)4490(Top 199%)
35K21.75 mi0.75 mi6866+606085+536085+535817(Top 22%)5107(Top 34%)5107(Top 227%)
23M23.00 mi1.25 mi6740+1265971+1145971+1145497(Top 21%)4834(Top 32%)4834(Top 215%)
24M24.00 mi1.00 mi6704+365930+415930+416812(Top 26%)5601(Top 37%)5601(Top 249%)
40K24.85 mi0.85 mi6641+635866+645866+645980(Top 22%)5004(Top 33%)5004(Top 222%)
25.2M25.20 mi0.35 mi6614+275836+305836+306045(Top 23%)4976(Top 33%)4976(Top 221%)
Finish26.22 mi1.02 mi6531+835769+675769+675302(Top 20%)4482(Top 30%)4482(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7066

Males

6291

M45-49

6291

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8193

Males

7071

M45-49

7071

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7066

Males

6291

M45-49

6291

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

6706

Males

5989

M45-49

5989

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7023

Males

6240

M45-49

6240

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6451

Males

5763

M45-49

5763

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

5790

Males

5216

M45-49

5216

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6491

Males

5641

M45-49

5641

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5012

Males

4490

M45-49

4490

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5817

Males

5107

M45-49

5107

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5497

Males

4834

M45-49

4834

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6812

Males

5601

M45-49

5601

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5980

Males

5004

M45-49

5004

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6045

Males

4976

M45-49

4976

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5302

Males

4482

M45-49

4482

Passing Analysis

Category:
Athletes Passed
3668
Passed By
210
Net Change
+3458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9989
5K → 10K101340+973#9989#9016
10K → 15K7067+699#9016#8317
15K → 20K4682+466#8317#7851
20K → Half595+54#7851#7797
Half → 25K2687+261#7797#7536
25K → 30K3997+392#7536#7144
30K → 20M9926+73#7144#7071
20M → 21M1516+145#7071#6926
21M → 35K688+60#6926#6866
35K → 23M13913+126#6866#6740
23M → 24M6933+36#6740#6704
24M → 40K8724+63#6704#6641
40K → 25.2M4316+27#6641#6614
25.2M → Finish9916+83#6614#6531
TOTALS3668210+3458
📊

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