Boston Marathon logo
BOSTON MARATHON 2023

Daniel Medrano

Bib: 8897•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 44%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 49%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #6537
Start → 5K
21:53 | 7:03/mi
10K· 6.21 mi
44:30
Rank: #7512 (-975)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:08:40
Rank: #8963 (-1451)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:32:32
Rank: #9387 (-424)
15K → 20K
23:52 | 7:41/mi
Half· 13.11 mi
1:37:44
Rank: #9471 (-84)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:56:53
Rank: #9849 (-378)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:22:17
Rank: #10229 (-380)
25K → 30K
25:24 | 8:11/mi
20M
2:33:38
Rank: #10417 (-188)
30K → 20M
11:21 | 8:21/mi
21M
2:42:36
Rank: #10567 (-150)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:49:09
Rank: #10799 (-232)
21M → 35K
6:33 | 8:45/mi
23M
3:00:39
Rank: #11244 (-445)
35K → 23M
11:30 | 9:11/mi
24M
3:09:27
Rank: #11538 (-294)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:17:01
Rank: #11701 (-163)
24M → 40K
7:34 | 8:51/mi
25.2M
3:20:14
Rank: #11745 (-44)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:28:38
Rank: #11834 (-89)
25.2M → Finish
8:24 | 8:15/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
Time1:37:44
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:50:54
Pace8:28 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0821:537:0321:53
7:03
-
10K
6.21 mi11:09:4544:307:1022:37
7:17
+0:14
15K
9.32 mi11:33:551:08:407:2224:10
7:47
+0:30
20K
12.43 mi11:57:471:32:327:2723:52
7:41
-0:06
Half
13.11 mi12:02:591:37:447:275:12
7:37
-0:04
25K
15.53 mi12:22:081:56:537:3119:09
7:54
+0:17
30K
18.64 mi12:47:322:22:177:3825:24
8:11
+0:17
20M
20.00 mi12:58:532:33:387:4111:21
8:21
+0:10
21M
21.00 mi13:07:512:42:367:458:58
8:58
+0:37
35K
21.75 mi13:14:242:49:097:476:33
8:45
-0:13
23M
23.00 mi13:25:543:00:397:5111:30
9:11
+0:26
24M
24.00 mi13:34:423:09:277:548:48
8:48
-0:23
40K
24.85 mi13:42:163:17:017:567:34
8:51
+0:03
25.2M
25.20 mi13:45:293:20:147:573:13
9:20
+0:29
Finish
26.22 mi13:53:533:28:387:588:24
8:15
-1:05

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

7:03 /mi

Average Pace

7:58 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:53

56% of race

Time at Steady Pace

45:09

22% of race

Time at Slower Pace

46:36

22% of race

Average Pace: 7:57 /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 mi10:47:0821:537:0321:53
7:03
#6537
10K
6.21 mi11:09:4544:307:1022:37
7:17
#7512
15K
9.32 mi11:33:551:08:407:2224:10
7:47
#8963
20K
12.43 mi11:57:471:32:327:2723:52
7:41
#9387
Half
13.11 mi12:02:591:37:447:275:12
7:37
#9471
25K
15.53 mi12:22:081:56:537:3119:09
7:54
#9849
30K
18.64 mi12:47:322:22:177:3825:24
8:11
#10229
20M
20.00 mi12:58:532:33:387:4111:21
8:21
#10417
21M
21.00 mi13:07:512:42:367:458:58
8:58
#10567
35K
21.75 mi13:14:242:49:097:476:33
8:45
#10799
23M
23.00 mi13:25:543:00:397:5111:30
9:11
#11244
24M
24.00 mi13:34:423:09:277:548:48
8:48
#11538
40K
24.85 mi13:42:163:17:017:567:34
8:51
#11701
25.2M
25.20 mi13:45:293:20:147:573:13
9:20
#11745
Finish
26.22 mi13:53:533:28:387:588:24
8:15
#11834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi65375910591012559(Top 47%)9317(Top 61%)9317(Top 416%)
10K6.21 mi3.10 mi7512-9756641-7316641-7318737(Top 33%)7404(Top 49%)7404(Top 330%)
15K9.32 mi3.11 mi8963-14517536-8957536-89512559(Top 47%)9317(Top 61%)9317(Top 416%)
20K12.43 mi3.11 mi9387-4247786-2507786-25010800(Top 41%)8466(Top 56%)8466(Top 378%)
Half13.11 mi0.68 mi9471-847838-527838-5211321(Top 43%)8755(Top 58%)8755(Top 391%)
25K15.53 mi2.42 mi9849-3788049-2118049-21111932(Top 45%)8871(Top 58%)8871(Top 396%)
30K18.64 mi3.11 mi10229-3808204-1558204-15512180(Top 46%)8872(Top 58%)8872(Top 396%)
20M20.00 mi1.36 mi10417-1888273-698273-6912755(Top 48%)9014(Top 59%)9014(Top 402%)
21M21.00 mi1.00 mi10567-1508317-448317-4413264(Top 50%)9148(Top 60%)9148(Top 408%)
35K21.75 mi0.75 mi10799-2328411-948411-9416782(Top 63%)10593(Top 70%)10593(Top 473%)
23M23.00 mi1.25 mi11244-4458602-1918602-19117014(Top 64%)10689(Top 70%)10689(Top 477%)
24M24.00 mi1.00 mi11538-2948712-1108712-11016240(Top 61%)10268(Top 68%)10268(Top 458%)
40K24.85 mi0.85 mi11701-1638762-508762-5015416(Top 58%)9851(Top 65%)9851(Top 440%)
25.2M25.20 mi0.35 mi11745-448769-78769-714454(Top 54%)9414(Top 62%)9414(Top 420%)
Finish26.22 mi1.02 mi11834-898786-178786-1713784(Top 52%)9126(Top 60%)9126(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12559

Males

9317

M40-44

9317

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8737

Males

7404

M40-44

7404

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12559

Males

9317

M40-44

9317

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10800

Males

8466

M40-44

8466

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11321

Males

8755

M40-44

8755

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11932

Males

8871

M40-44

8871

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12180

Males

8872

M40-44

8872

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12755

Males

9014

M40-44

9014

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13264

Males

9148

M40-44

9148

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16782

Males

10593

M40-44

10593

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

17014

Males

10689

M40-44

10689

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16240

Males

10268

M40-44

10268

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15416

Males

9851

M40-44

9851

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14454

Males

9414

M40-44

9414

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13784

Males

9126

M40-44

9126

Passing Analysis

Category:
Athletes Passed
423*
Passed By
5719
Net Change
-5297
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6537
5K → 10K21996-975#6537#7512
10K → 15K61457-1451#7512#8963
15K → 20K44468-424#8963#9387
20K → Half589-84#9387#9471
Half → 25K50427-378#9471#9849
25K → 30K68448-380#9849#10229
30K → 20M34*222-188#10229#10417
20M → 21M46196-150#10417#10567
21M → 35K15247-232#10567#10799
35K → 23M21466-445#10799#11244
23M → 24M16310-294#11244#11538
24M → 40K31194-163#11538#11701
40K → 25.2M1862-44#11701#11745
25.2M → Finish48137-89#11745#11834
TOTALS423*5719-5297

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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