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BOSTON MARATHON 2025

Ren Cortez

Bib: 23321•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
9:11/mi
28:31
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
59:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:28/mi
1:32:11
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:06:26
↑ 106↓ 860.1%
Half· 13.11 mi
10:16/mi
2:13:26
↑ 19↓ 370.5%
25K· 15.53 mi
11:28/mi
2:41:15
↑ 66↓ 880.2%
30K· 18.64 mi
13:23/mi
3:22:50
↑ 181↓ 1480.2%
20M
11:52/mi
3:38:57
↑ 64↓ 500.2%
21M
14:08/mi
3:53:05
↑ 106↓ 241.6%
35K· 21.75 mi
10:42/mi
4:01:05
↑ 17↓ 861.7%
23M
10:54/mi
4:14:44
↑ 23↓ 630.6%
24M
10:51/mi
4:25:35
↓ 821.3%
40K· 24.85 mi
10:50/mi
4:34:51
↓ 200.3%
25.2M
12:25/mi
4:39:08
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:49:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:26
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:35:35
Pace11:52 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4928:319:1128:31
9:11
-
10K
6.21 mi11:55:5759:399:3631:08
10:01
+0:50
15K
9.32 mi12:28:291:32:119:5332:32
10:28
+0:27
20K
12.43 mi13:02:442:06:2610:1034:15
11:01
+0:33
Half
13.11 mi13:09:442:13:2610:117:00
10:16
-0:45
25K
15.53 mi13:37:332:41:1510:2327:49
11:28
+1:12
30K
18.64 mi14:19:083:22:5010:5341:35
13:23
+1:55
20M
20.00 mi14:35:153:38:5710:5716:07
11:52
-1:31
21M
21.00 mi14:49:233:53:0511:0614:08
14:08
+2:16
35K
21.75 mi14:57:234:01:0511:058:00
10:42
-3:26
23M
23.00 mi15:11:024:14:4411:0513:39
10:54
+0:12
24M
24.00 mi15:21:534:25:3511:0410:51
10:51
-0:03
40K
24.85 mi15:31:094:34:5111:039:16
10:50
-0:01
25.2M
25.20 mi15:35:264:39:0811:054:17
12:25
+1:35
Finish
26.22 mi15:45:194:49:0111:029:53
9:42
-2:43

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

9:11 /mi

Average Pace

11:02 /mi

Slowest Pace

14:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:32

24% of race

Time at Steady Pace

2:23:22

50% of race

Time at Slower Pace

1:16:07

26% of race

Average Pace: 11:01 /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 mi11:24:4928:319:1128:31
9:11
#23144
10K
6.21 mi11:55:5759:399:3631:08
10:01
#24454
15K
9.32 mi12:28:291:32:119:5332:32
10:28
#25028
20K
12.43 mi13:02:442:06:2610:1034:15
11:01
#25381
Half
13.11 mi13:09:442:13:2610:117:00
10:16
#25371
25K
15.53 mi13:37:332:41:1510:2327:49
11:28
#25469
30K
18.64 mi14:19:083:22:5010:5341:35
13:23
#25880
20M
20.00 mi14:35:153:38:5710:5716:07
11:52
#25810
21M
21.00 mi14:49:233:53:0511:0614:08
14:08
#25879
35K
21.75 mi14:57:234:01:0511:058:00
10:42
#25825
23M
23.00 mi15:11:024:14:4411:0513:39
10:54
#25716
24M
24.00 mi15:21:534:25:3511:0410:51
10:51
#25649
40K
24.85 mi15:31:094:34:5111:039:16
10:50
#25557
25.2M
25.20 mi15:35:264:39:0811:054:17
12:25
#25533
Finish
26.22 mi15:45:194:49:0111:029:53
9:42
#25433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23144138371383725875(Top 91%)15086(Top 94%)15086(Top 2361%)
10K6.21 mi3.10 mi24454-131014467-63014467-63025369(Top 89%)14864(Top 92%)14864(Top 2326%)
15K9.32 mi3.11 mi25028-57414726-25914726-25925875(Top 91%)15086(Top 94%)15086(Top 2361%)
20K12.43 mi3.11 mi25381-35314867-14114867-14126042(Top 92%)15140(Top 94%)15140(Top 2369%)
Half13.11 mi0.68 mi25371+10148671486725372(Top 89%)14830(Top 92%)14830(Top 2321%)
25K15.53 mi2.42 mi25469-9814900-3314900-3325821(Top 91%)14990(Top 93%)14990(Top 2346%)
30K18.64 mi3.11 mi25880-41115060-16015060-16027039(Top 95%)15453(Top 96%)15453(Top 2418%)
20M20.00 mi1.36 mi25810+7015006+5415006+5425072(Top 88%)14494(Top 90%)14494(Top 2268%)
21M21.00 mi1.00 mi25879-6915024-1815024-1826361(Top 93%)15052(Top 93%)15052(Top 2356%)
35K21.75 mi0.75 mi25825+5414993+3114993+3123568(Top 83%)13671(Top 85%)13671(Top 2139%)
23M23.00 mi1.25 mi25716+10914930+6314930+6323007(Top 81%)13345(Top 83%)13345(Top 2088%)
24M24.00 mi1.00 mi25649+6714883+4714883+4723677(Top 83%)13655(Top 85%)13655(Top 2137%)
40K24.85 mi0.85 mi25557+9214830+5314830+5322772(Top 80%)13132(Top 82%)13132(Top 2055%)
25.2M25.20 mi0.35 mi25533+2414814+1614814+1624048(Top 85%)13797(Top 86%)13797(Top 2159%)
Finish26.22 mi1.02 mi25433+10014773+4114773+4121918(Top 77%)12751(Top 79%)12751(Top 1995%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25875

Males

15086

M65-69

15086

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25369

Males

14864

M65-69

14864

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25875

Males

15086

M65-69

15086

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

26042

Males

15140

M65-69

15140

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25372

Males

14830

M65-69

14830

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25821

Males

14990

M65-69

14990

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

27039

Males

15453

M65-69

15453

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25072

Males

14494

M65-69

14494

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26361

Males

15052

M65-69

15052

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23568

Males

13671

M65-69

13671

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23007

Males

13345

M65-69

13345

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23677

Males

13655

M65-69

13655

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22772

Males

13132

M65-69

13132

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24048

Males

13797

M65-69

13797

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21918

Males

12751

M65-69

12751

Passing Analysis

Category:
Athletes Passed
788
Passed By
3077
Net Change
-2289
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23144
5K → 10K161326-1310#23144#24454
10K → 15K25599-574#24454#25028
15K → 20K43396-353#25028#25381
20K → Half2616+10#25381#25371
Half → 25K69167-98#25371#25469
25K → 30K24435-411#25469#25880
30K → 20M9424+70#25880#25810
20M → 21M2190-69#25810#25879
21M → 35K584+54#25879#25825
35K → 23M1134+109#25825#25716
23M → 24M736+67#25716#25649
24M → 40K942+92#25649#25557
40K → 25.2M317+24#25557#25533
25.2M → Finish1011+100#25533#25433
TOTALS7883077-2289
📊

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