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BOSTON MARATHON 2023

Miguel Calvo Behrens

Bib: 12516•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M50-54)
#0 / 2052
Top 35%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
46:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:07
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:32:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:37:31
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:56:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:20:33
↑ 181↓ 1480.2%
20M
7:40/mi
2:30:58
↑ 64↓ 500.2%
21M
8:19/mi
2:39:17
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:44:44
↑ 17↓ 861.7%
23M
7:41/mi
2:54:21
↑ 23↓ 630.6%
24M
7:34/mi
3:01:55
↓ 821.3%
40K· 24.85 mi
7:47/mi
3:08:34
↓ 200.3%
25.2M
8:42/mi
3:11:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:19:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:31
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:42:09
Pace7:48 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4423:217:3123:21
7:31
-
10K
6.21 mi11:13:3446:117:2622:50
7:21
-0:10
15K
9.32 mi11:36:301:09:077:2522:56
7:23
+0:02
20K
12.43 mi11:59:491:32:267:2623:19
7:30
+0:07
Half
13.11 mi12:04:541:37:317:265:05
7:27
-0:03
25K
15.53 mi12:23:301:56:077:2818:36
7:40
+0:13
30K
18.64 mi12:47:562:20:337:3224:26
7:52
+0:12
20M
20.00 mi12:58:212:30:587:3310:25
7:40
-0:12
21M
21.00 mi13:06:402:39:177:358:19
8:19
+0:39
35K
21.75 mi13:12:072:44:447:345:27
7:17
-1:02
23M
23.00 mi13:21:442:54:217:359:37
7:41
+0:24
24M
24.00 mi13:29:183:01:557:357:34
7:34
-0:07
40K
24.85 mi13:35:573:08:347:356:39
7:47
+0:13
25.2M
25.20 mi13:38:573:11:347:363:00
8:42
+0:55
Finish
26.22 mi13:47:033:19:407:378:06
7:57
-0:45

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

7:17 /mi

Average Pace

7:37 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:21

94% of race

Time at Steady Pace

8:19

4% of race

Time at Slower Pace

3:00

2% of race

Average Pace: 7:37 /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 mi10:50:4423:217:3123:21
7:31
#9748
10K
6.21 mi11:13:3446:117:2622:50
7:21
#9436
15K
9.32 mi11:36:301:09:077:2522:56
7:23
#9319
20K
12.43 mi11:59:491:32:267:2623:19
7:30
#9303
Half
13.11 mi12:04:541:37:317:265:05
7:27
#9334
25K
15.53 mi12:23:301:56:077:2818:36
7:40
#9426
30K
18.64 mi12:47:562:20:337:3224:26
7:52
#9489
20M
20.00 mi12:58:212:30:587:3310:25
7:40
#9345
21M
21.00 mi13:06:402:39:177:358:19
8:19
#9306
35K
21.75 mi13:12:072:44:447:345:27
7:17
#9195
23M
23.00 mi13:21:442:54:217:359:37
7:41
#9082
24M
24.00 mi13:29:183:01:557:357:34
7:34
#9023
40K
24.85 mi13:35:573:08:347:356:39
7:47
#8979
25.2M
25.20 mi13:38:573:11:347:363:00
8:42
#8986
Finish
26.22 mi13:47:033:19:407:378:06
7:57
#9103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9748800680069176(Top 34%)7650(Top 50%)7650(Top 373%)
10K6.21 mi3.10 mi9436+3127840+1667840+1669218(Top 35%)7704(Top 51%)7704(Top 375%)
15K9.32 mi3.11 mi9319+1177759+817759+819176(Top 34%)7650(Top 50%)7650(Top 373%)
20K12.43 mi3.11 mi9303+167730+297730+299335(Top 35%)7705(Top 51%)7705(Top 375%)
Half13.11 mi0.68 mi9334-317751-217751-219758(Top 37%)7951(Top 52%)7951(Top 387%)
25K15.53 mi2.42 mi9426-927791-407791-4010054(Top 38%)8012(Top 53%)8012(Top 390%)
30K18.64 mi3.11 mi9489-637793-27793-29841(Top 37%)7741(Top 51%)7741(Top 377%)
20M20.00 mi1.36 mi9345+1447680+1137680+1137930(Top 30%)6556(Top 43%)6556(Top 319%)
21M21.00 mi1.00 mi9306+397639+417639+419301(Top 35%)7238(Top 48%)7238(Top 353%)
35K21.75 mi0.75 mi9195+1117557+827557+827047(Top 26%)5932(Top 39%)5932(Top 289%)
23M23.00 mi1.25 mi9082+1137467+907467+907626(Top 29%)6202(Top 41%)6202(Top 302%)
24M24.00 mi1.00 mi9023+597408+597408+598150(Top 31%)6406(Top 42%)6406(Top 312%)
40K24.85 mi0.85 mi8979+447364+447364+448503(Top 32%)6555(Top 43%)6555(Top 319%)
25.2M25.20 mi0.35 mi8986-77362+27362+210684(Top 40%)7641(Top 50%)7641(Top 372%)
Finish26.22 mi1.02 mi9103-1177400-387400-3811705(Top 44%)8138(Top 54%)8138(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9176

Males

7650

M50-54

7650

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9218

Males

7704

M50-54

7704

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9176

Males

7650

M50-54

7650

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9335

Males

7705

M50-54

7705

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9758

Males

7951

M50-54

7951

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10054

Males

8012

M50-54

8012

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9841

Males

7741

M50-54

7741

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7930

Males

6556

M50-54

6556

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9301

Males

7238

M50-54

7238

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

7047

Males

5932

M50-54

5932

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7626

Males

6202

M50-54

6202

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8150

Males

6406

M50-54

6406

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8503

Males

6555

M50-54

6555

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10684

Males

7641

M50-54

7641

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11705

Males

8138

M50-54

8138

Passing Analysis

Category:
Athletes Passed
1846*
Passed By
1201
Net Change
+645
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9748
5K → 10K476164+312#9748#9436
10K → 15K20386+117#9436#9319
15K → 20K157141+16#9319#9303
20K → Half1849-31#9303#9334
Half → 25K90182-92#9334#9426
25K → 30K159*222-63#9426#9489
30K → 20M16218+144#9489#9345
20M → 21M10667+39#9345#9306
21M → 35K1143+111#9306#9195
35K → 23M14128+113#9195#9082
23M → 24M9334+59#9082#9023
24M → 40K7026+44#9023#8979
40K → 25.2M2835-7#8979#8986
25.2M → Finish29146-117#8986#9103
TOTALS1846*1201+645

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing