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BOSTON MARATHON 2025

Edison Erazo

Bib: 11991•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Masters (Masters Men)
#0 / 10463
Top 27%
Division (M50-54)
#0 / 1996
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:18
Rank: #6743
Start → 5K
21:18 | 6:51/mi
10K· 6.21 mi
42:21
Rank: #6458 (+285)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:56
Rank: #6749 (-291)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:25:21
Rank: #6565 (+184)
15K → 20K
21:25 | 6:54/mi
Half· 13.11 mi
1:29:55
Rank: #6491 (+74)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:47:18
Rank: #6627 (-136)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:12:10
Rank: #7284 (-657)
25K → 30K
24:52 | 8:00/mi
20M
2:22:43
Rank: #7303 (-19)
30K → 20M
10:33 | 7:46/mi
21M
2:30:58
Rank: #7314 (-11)
20M → 21M
8:15 | 8:15/mi
35K· 21.75 mi
2:36:59
Rank: #7436 (-122)
21M → 35K
6:01 | 8:03/mi
23M
2:47:16
Rank: #7626 (-190)
35K → 23M
10:17 | 8:13/mi
24M
2:54:51
Rank: #7620 (+6)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:01:25
Rank: #7576 (+44)
24M → 40K
6:34 | 7:41/mi
25.2M
3:04:23
Rank: #7598 (-22)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:12:39
Rank: #7789 (-191)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1221:186:5121:18
6:51
-
10K
6.21 mi11:10:1542:216:4921:03
6:47
-0:04
15K
9.32 mi11:31:501:03:566:5221:35
6:57
+0:10
20K
12.43 mi11:53:151:25:216:5221:25
6:54
-0:03
Half
13.11 mi11:57:491:29:556:524:34
6:42
-0:12
25K
15.53 mi12:15:121:47:186:5417:23
7:10
+0:28
30K
18.64 mi12:40:042:12:107:0524:52
8:00
+0:50
20M
20.00 mi12:50:372:22:437:0810:33
7:46
-0:14
21M
21.00 mi12:58:522:30:587:118:15
8:15
+0:29
35K
21.75 mi13:04:532:36:597:136:01
8:03
-0:12
23M
23.00 mi13:15:102:47:167:1610:17
8:13
+0:10
24M
24.00 mi13:22:452:54:517:177:35
7:35
-0:38
40K
24.85 mi13:29:193:01:257:186:34
7:41
+0:06
25.2M
25.20 mi13:32:173:04:237:192:58
8:36
+0:55
Finish
26.22 mi13:40:333:12:397:218:16
8:07
-0:29

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

6:42 /mi

Average Pace

7:21 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:18

56% of race

Time at Steady Pace

24:42

13% of race

Time at Slower Pace

1:00:39

31% of race

Average Pace: 7:21 /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 mi10:49:1221:186:5121:18
6:51
#6743
10K
6.21 mi11:10:1542:216:4921:03
6:47
#6458
15K
9.32 mi11:31:501:03:566:5221:35
6:57
#6749
20K
12.43 mi11:53:151:25:216:5221:25
6:54
#6565
Half
13.11 mi11:57:491:29:556:524:34
6:42
#6491
25K
15.53 mi12:15:121:47:186:5417:23
7:10
#6627
30K
18.64 mi12:40:042:12:107:0524:52
8:00
#7284
20M
20.00 mi12:50:372:22:437:0810:33
7:46
#7303
21M
21.00 mi12:58:522:30:587:118:15
8:15
#7314
35K
21.75 mi13:04:532:36:597:136:01
8:03
#7436
23M
23.00 mi13:15:102:47:167:1610:17
8:13
#7626
24M
24.00 mi13:22:452:54:517:177:35
7:35
#7620
40K
24.85 mi13:29:193:01:257:186:34
7:41
#7576
25.2M
25.20 mi13:32:173:04:237:192:58
8:36
#7598
Finish
26.22 mi13:40:333:12:397:218:16
8:07
#7789
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6743611161117278(Top 26%)6456(Top 40%)6456(Top 323%)
10K6.21 mi3.10 mi6458+2855886+2255886+2256119(Top 22%)5581(Top 35%)5581(Top 280%)
15K9.32 mi3.11 mi6749-2916086-2006086-2007278(Top 26%)6456(Top 40%)6456(Top 323%)
20K12.43 mi3.11 mi6565+1845934+1525934+1526144(Top 22%)5546(Top 34%)5546(Top 278%)
Half13.11 mi0.68 mi6491+745868+665868+665272(Top 19%)4867(Top 30%)4867(Top 244%)
25K15.53 mi2.42 mi6627-1365970-1025970-1027391(Top 26%)6376(Top 40%)6376(Top 319%)
30K18.64 mi3.11 mi7284-6576411-4416411-44111382(Top 40%)8376(Top 52%)8376(Top 420%)
20M20.00 mi1.36 mi7303-196393+186393+188776(Top 31%)6880(Top 43%)6880(Top 345%)
21M21.00 mi1.00 mi7314-116371+226371+228853(Top 31%)6731(Top 42%)6731(Top 337%)
35K21.75 mi0.75 mi7436-1226420-496420-4912477(Top 44%)8538(Top 53%)8538(Top 428%)
23M23.00 mi1.25 mi7626-1906500-806500-8011407(Top 40%)7937(Top 49%)7937(Top 398%)
24M24.00 mi1.00 mi7620+66466+346466+348264(Top 29%)6254(Top 39%)6254(Top 313%)
40K24.85 mi0.85 mi7576+446406+606406+607931(Top 28%)5951(Top 37%)5951(Top 298%)
25.2M25.20 mi0.35 mi7598-226402+46402+49341(Top 33%)6593(Top 41%)6593(Top 330%)
Finish26.22 mi1.02 mi7789-1916498-966498-9613630(Top 48%)8819(Top 55%)8819(Top 442%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7278

Males

6456

M50-54

6456

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6119

Males

5581

M50-54

5581

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7278

Males

6456

M50-54

6456

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6144

Males

5546

M50-54

5546

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5272

Males

4867

M50-54

4867

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7391

Males

6376

M50-54

6376

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11382

Males

8376

M50-54

8376

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8776

Males

6880

M50-54

6880

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8853

Males

6731

M50-54

6731

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12477

Males

8538

M50-54

8538

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11407

Males

7937

M50-54

7937

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8264

Males

6254

M50-54

6254

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7931

Males

5951

M50-54

5951

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9341

Males

6593

M50-54

6593

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13630

Males

8819

M50-54

8819

Passing Analysis

Category:
Athletes Passed
1318
Passed By
2364
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6743
5K → 10K35267+285#6743#6458
10K → 15K73364-291#6458#6749
15K → 20K23046+184#6749#6565
20K → Half762+74#6565#6491
Half → 25K93229-136#6491#6627
25K → 30K50707-657#6627#7284
30K → 20M93112-19#7284#7303
20M → 21M7687-11#7303#7314
21M → 35K25147-122#7314#7436
35K → 23M55245-190#7436#7626
23M → 24M6963+6#7626#7620
24M → 40K8844+44#7620#7576
40K → 25.2M2345-22#7576#7598
25.2M → Finish15206-191#7598#7789
TOTALS13182364-1046
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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