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BOSTON MARATHON 2025

Erwin Cordero

Bib: 6219•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
6:23/mi
19:51
↑ 97↓ 3451.5%
10K· 6.21 mi
6:20/mi
39:31
↑ 79↓ 1380.4%
15K· 9.32 mi
6:24/mi
59:24
↑ 67↓ 78
20K· 12.43 mi
6:21/mi
1:19:09
↑ 106↓ 860.1%
Half· 13.11 mi
6:11/mi
1:23:22
↑ 19↓ 370.5%
25K· 15.53 mi
6:18/mi
1:38:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:25/mi
1:58:33
↑ 181↓ 1480.2%
20M
6:26/mi
2:07:18
↑ 64↓ 500.2%
21M
6:46/mi
2:14:04
↑ 106↓ 241.6%
35K· 21.75 mi
6:05/mi
2:18:37
↑ 17↓ 861.7%
23M
6:29/mi
2:26:44
↑ 23↓ 630.6%
24M
6:34/mi
2:33:18
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:39:12
↓ 200.3%
25.2M
7:38/mi
2:41:50
↑ 13↓ 160.2%
Finish· 26.22 mi
6:51/mi
2:48:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:22
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:25:27
Pace6:31 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0319:516:2319:51
6:23
-
10K
6.21 mi10:44:4339:316:2219:40
6:20
-0:03
15K
9.32 mi11:04:3659:246:2219:53
6:24
+0:04
20K
12.43 mi11:24:211:19:096:2219:45
6:21
-0:03
Half
13.11 mi11:28:341:23:226:224:13
6:11
-0:10
25K
15.53 mi11:43:501:38:386:2115:16
6:18
+0:07
30K
18.64 mi12:03:451:58:336:2219:55
6:25
+0:07
20M
20.00 mi12:12:302:07:186:228:45
6:26
+0:01
21M
21.00 mi12:19:162:14:046:236:46
6:46
+0:20
35K
21.75 mi12:23:492:18:376:224:33
6:05
-0:41
23M
23.00 mi12:31:562:26:446:238:07
6:29
+0:24
24M
24.00 mi12:38:302:33:186:236:34
6:34
+0:05
40K
24.85 mi12:44:242:39:126:245:54
6:54
+0:20
25.2M
25.20 mi12:47:022:41:506:252:38
7:38
+0:44
Finish
26.22 mi12:54:012:48:496:276:59
6:51
-0:47

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

6:05 /mi

Average Pace

6:27 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:46

5% of race

Time at Steady Pace

2:17:46

82% of race

Time at Slower Pace

22:17

13% of race

Average Pace: 6:26 /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 mi10:25:0319:516:2319:51
6:23
#3028
10K
6.21 mi10:44:4339:316:2219:40
6:20
#2783
15K
9.32 mi11:04:3659:246:2219:53
6:24
#2825
20K
12.43 mi11:24:211:19:096:2219:45
6:21
#2660
Half
13.11 mi11:28:341:23:226:224:13
6:11
#2611
25K
15.53 mi11:43:501:38:386:2115:16
6:18
#2447
30K
18.64 mi12:03:451:58:336:2219:55
6:25
#2229
20M
20.00 mi12:12:302:07:186:228:45
6:26
#2142
21M
21.00 mi12:19:162:14:046:236:46
6:46
#2078
35K
21.75 mi12:23:492:18:376:224:33
6:05
#2003
23M
23.00 mi12:31:562:26:446:238:07
6:29
#1914
24M
24.00 mi12:38:302:33:186:236:34
6:34
#1916
40K
24.85 mi12:44:242:39:126:245:54
6:54
#1937
25.2M
25.20 mi12:47:022:41:506:252:38
7:38
#1955
Finish
26.22 mi12:54:012:48:496:276:59
6:51
#2036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3028287528752925(Top 10%)2789(Top 17%)2789(Top 49%)
10K6.21 mi3.10 mi2783+2452650+2252650+2252598(Top 9%)2476(Top 15%)2476(Top 44%)
15K9.32 mi3.11 mi2825-422693-432693-432925(Top 10%)2789(Top 17%)2789(Top 49%)
20K12.43 mi3.11 mi2660+1652537+1562537+1562294(Top 8%)2187(Top 14%)2187(Top 39%)
Half13.11 mi0.68 mi2611+492492+452492+451868(Top 7%)1781(Top 11%)1781(Top 32%)
25K15.53 mi2.42 mi2447+1642336+1562336+1561834(Top 6%)1742(Top 11%)1742(Top 31%)
30K18.64 mi3.11 mi2229+2182124+2122124+2121599(Top 6%)1516(Top 9%)1516(Top 27%)
20M20.00 mi1.36 mi2142+872040+842040+841387(Top 5%)1312(Top 8%)1312(Top 23%)
21M21.00 mi1.00 mi2078+641977+631977+631418(Top 5%)1338(Top 8%)1338(Top 24%)
35K21.75 mi0.75 mi2003+751904+731904+73928(Top 3%)873(Top 5%)873(Top 15%)
23M23.00 mi1.25 mi1914+891816+881816+881405(Top 5%)1322(Top 8%)1322(Top 23%)
24M24.00 mi1.00 mi1916-21818-21818-22312(Top 8%)2137(Top 13%)2137(Top 38%)
40K24.85 mi0.85 mi1937-211835-171835-173310(Top 12%)2952(Top 18%)2952(Top 52%)
25.2M25.20 mi0.35 mi1955-181853-181853-183953(Top 14%)3369(Top 21%)3369(Top 60%)
Finish26.22 mi1.02 mi2036-811931-781931-784774(Top 17%)3958(Top 25%)3958(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2925

Males

2789

M18-39

2789

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2598

Males

2476

M18-39

2476

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2925

Males

2789

M18-39

2789

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2294

Males

2187

M18-39

2187

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1868

Males

1781

M18-39

1781

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1834

Males

1742

M18-39

1742

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1599

Males

1516

M18-39

1516

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1387

Males

1312

M18-39

1312

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1418

Males

1338

M18-39

1338

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

928

Males

873

M18-39

873

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1405

Males

1322

M18-39

1322

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2312

Males

2137

M18-39

2137

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3310

Males

2952

M18-39

2952

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3953

Males

3369

M18-39

3369

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4774

Males

3958

M18-39

3958

Passing Analysis

Category:
Athletes Passed
1373
Passed By
381
Net Change
+992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3028
5K → 10K28641+245#3028#2783
10K → 15K5799-42#2783#2825
15K → 20K17611+165#2825#2660
20K → Half501+49#2660#2611
Half → 25K1695+164#2611#2447
25K → 30K2279+218#2447#2229
30K → 20M936+87#2229#2142
20M → 21M706+64#2142#2078
21M → 35K761+75#2078#2003
35K → 23M9910+89#2003#1914
23M → 24M3335-2#1914#1916
24M → 40K2041-21#1916#1937
40K → 25.2M725-18#1937#1955
25.2M → Finish1091-81#1955#2036
TOTALS1373381+992
📊

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