Boston Marathon logo
BOSTON MARATHON 2023

Danny Muehlschlegel

Bib: 1569•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:35
Rank: #1448
Start → 5K
6:18/mi
19:35 split
10K· 6.21 mi
38:57
Rank: #1446 (+2)
5K → 10K
6:14/mi
19:22 split
15K· 9.32 mi
58:21
Rank: #1423 (+23)
10K → 15K
6:15/mi
19:24 split
20K· 12.43 mi
1:18:14
Rank: #1502 (-79)
15K → 20K
6:24/mi
19:53 split
Half· 13.11 mi
1:23:06
Rank: #1697 (-195)
20K → Half
7:08/mi
4:52 split
25K· 15.53 mi
1:41:08
Rank: #2461 (-764)
Half → 25K
7:26/mi
18:02 split
30K· 18.64 mi
2:03:25
Rank: #2859 (-398)
25K → 30K
7:10/mi
22:17 split
20M
2:12:34
Rank: #2797 (+62)
30K → 20M
6:44/mi
9:09 split
21M
2:19:33
Rank: #2714 (+83)
20M → 21M
6:59/mi
6:59 split
35K· 21.75 mi
2:24:13
Rank: #2622 (+92)
21M → 35K
6:14/mi
4:40 split
23M
2:32:17
Rank: #2478 (+144)
35K → 23M
6:27/mi
8:04 split
24M
2:38:26
Rank: #2386 (+92)
23M → 24M
6:09/mi
6:09 split
40K· 24.85 mi
2:43:47
Rank: #2298 (+88)
24M → 40K
6:15/mi
5:21 split
25.2M
2:46:05
Rank: #2259 (+39)
40K → 25.2M
6:40/mi
2:18 split
Finish· 26.22 mi
2:52:13
Rank: #2139 (+120)
25.2M → Finish
6:01/mi
6:08 split

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
Time1:23:06
Pace6:20 /mi
2nd Half
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1219:356:1819:35
6:18
-
10K
6.21 mi10:39:3438:576:1619:22
6:14
-0:04
15K
9.32 mi10:58:5858:216:1619:24
6:15
+0:01
20K
12.43 mi11:18:511:18:146:1819:53
6:24
+0:09
Half
13.11 mi11:23:431:23:066:204:52
7:08
+0:44
25K
15.53 mi11:41:451:41:086:3118:02
7:26
+0:18
30K
18.64 mi12:04:022:03:256:3722:17
7:10
-0:16
20M
20.00 mi12:13:112:12:346:389:09
6:44
-0:26
21M
21.00 mi12:20:102:19:336:396:59
6:59
+0:15
35K
21.75 mi12:24:502:24:136:384:40
6:14
-0:45
23M
23.00 mi12:32:542:32:176:378:04
6:27
+0:13
24M
24.00 mi12:39:032:38:266:366:09
6:09
-0:18
40K
24.85 mi12:44:242:43:476:355:21
6:15
+0:06
25.2M
25.20 mi12:46:422:46:056:352:18
6:40
+0:25
Finish
26.22 mi12:52:502:52:136:346:08
6:01
-0:39

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

6:01 /mi

Average Pace

6:34 /mi

Slowest Pace

7:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:17

7% of race

Time at Steady Pace

1:36:19

56% of race

Time at Slower Pace

1:03:37

37% of race

Average Pace: 6:34 /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 mi10:20:1219:356:1819:35
6:18
#1448
10K
6.21 mi10:39:3438:576:1619:22
6:14
#1446
15K
9.32 mi10:58:5858:216:1619:24
6:15
#1423
20K
12.43 mi11:18:511:18:146:1819:53
6:24
#1502
Half
13.11 mi11:23:431:23:066:204:52
7:08
#1697
25K
15.53 mi11:41:451:41:086:3118:02
7:26
#2461
30K
18.64 mi12:04:022:03:256:3722:17
7:10
#2859
20M
20.00 mi12:13:112:12:346:389:09
6:44
#2797
21M
21.00 mi12:20:102:19:336:396:59
6:59
#2714
35K
21.75 mi12:24:502:24:136:384:40
6:14
#2622
23M
23.00 mi12:32:542:32:176:378:04
6:27
#2478
24M
24.00 mi12:39:032:38:266:366:09
6:09
#2386
40K
24.85 mi12:44:242:43:476:355:21
6:15
#2298
25.2M
25.20 mi12:46:422:46:056:352:18
6:40
#2259
Finish
26.22 mi12:52:502:52:136:346:08
6:01
#2139
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1448137713771414(Top 5%)1347(Top 9%)1347(Top 60%)
10K6.21 mi3.10 mi1446+21379-21379-21484(Top 6%)1417(Top 9%)1417(Top 63%)
15K9.32 mi3.11 mi1423+231358+211358+211414(Top 5%)1347(Top 9%)1347(Top 60%)
20K12.43 mi3.11 mi1502-791434-761434-761802(Top 7%)1725(Top 11%)1725(Top 77%)
Half13.11 mi0.68 mi1697-1951625-1911625-1917310(Top 27%)6430(Top 42%)6430(Top 286%)
25K15.53 mi2.42 mi2461-7642358-7332358-7338279(Top 31%)6981(Top 46%)6981(Top 310%)
30K18.64 mi3.11 mi2859-3982734-3762734-3765329(Top 20%)4859(Top 32%)4859(Top 216%)
20M20.00 mi1.36 mi2797+622673+612673+612419(Top 9%)2294(Top 15%)2294(Top 102%)
21M21.00 mi1.00 mi2714+832593+802593+802072(Top 8%)1958(Top 13%)1958(Top 87%)
35K21.75 mi0.75 mi2622+922507+862507+861385(Top 5%)1315(Top 9%)1315(Top 58%)
23M23.00 mi1.25 mi2478+1442371+1362371+1361255(Top 5%)1186(Top 8%)1186(Top 53%)
24M24.00 mi1.00 mi2386+922284+872284+87892(Top 3%)847(Top 6%)847(Top 38%)
40K24.85 mi0.85 mi2298+882199+852199+85797(Top 3%)756(Top 5%)756(Top 34%)
25.2M25.20 mi0.35 mi2259+392164+352164+35859(Top 3%)820(Top 5%)820(Top 36%)
Finish26.22 mi1.02 mi2139+1202052+1122052+112790(Top 3%)757(Top 5%)757(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1414

Males

1347

M45-49

1347

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1484

Males

1417

M45-49

1417

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1414

Males

1347

M45-49

1347

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1802

Males

1725

M45-49

1725

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7310

Males

6430

M45-49

6430

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8279

Males

6981

M45-49

6981

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5329

Males

4859

M45-49

4859

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2419

Males

2294

M45-49

2294

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2072

Males

1958

M45-49

1958

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1385

Males

1315

M45-49

1315

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1255

Males

1186

M45-49

1186

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

892

Males

847

M45-49

847

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

797

Males

756

M45-49

756

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

859

Males

820

M45-49

820

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

790

Males

757

M45-49

757

Passing Analysis

Category:
Athletes Passed
907
Passed By
1598
Net Change
-691
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1448
5K → 10K7068+2#1448#1446
10K → 15K6037+23#1446#1423
15K → 20K23102-79#1423#1502
20K → Half0195-195#1502#1697
Half → 25K1765-764#1697#2461
25K → 30K10408-398#2461#2859
30K → 20M719+62#2859#2797
20M → 21M918+83#2797#2714
21M → 35K931+92#2714#2622
35K → 23M1473+144#2622#2478
23M → 24M931+92#2478#2386
24M → 40K880+88#2386#2298
40K → 25.2M390+39#2298#2259
25.2M → Finish1211+120#2259#2139
TOTALS9071598-691
📊

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