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BOSTON MARATHON 2025

Andres Sierra Diaz

Bib: 9072•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M40-44)
#0 / 2247
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #6154
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:26
Rank: #6560 (-406)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:59
Rank: #6789 (-229)
10K → 15K
21:33 | 6:56/mi
20K· 12.43 mi
1:25:36
Rank: #6739 (+50)
15K → 20K
21:37 | 6:57/mi
Half· 13.11 mi
1:30:20
Rank: #6754 (-15)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:45
Rank: #6840 (-86)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:11:03
Rank: #6858 (-18)
25K → 30K
23:18 | 7:30/mi
20M
2:21:23
Rank: #6822 (+36)
30K → 20M
10:20 | 7:36/mi
21M
2:29:26
Rank: #6789 (+33)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:34:29
Rank: #6652 (+137)
21M → 35K
5:03 | 6:45/mi
23M
2:43:20
Rank: #6421 (+231)
35K → 23M
8:51 | 7:04/mi
24M
2:50:13
Rank: #6266 (+155)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:56:10
Rank: #6107 (+159)
24M → 40K
5:57 | 6:58/mi
25.2M
2:59:04
Rank: #6114 (-7)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:06:35
Rank: #6148 (-34)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1221:046:4721:04
6:47
-
10K
6.21 mi11:07:3442:266:5021:22
6:53
+0:06
15K
9.32 mi11:29:071:03:596:5221:33
6:56
+0:03
20K
12.43 mi11:50:441:25:366:5321:37
6:57
+0:01
Half
13.11 mi11:55:281:30:206:534:44
6:56
-0:01
25K
15.53 mi12:12:531:47:456:5617:25
7:11
+0:15
30K
18.64 mi12:36:112:11:037:0223:18
7:30
+0:19
20M
20.00 mi12:46:312:21:237:0410:20
7:36
+0:06
21M
21.00 mi12:54:342:29:267:078:03
8:03
+0:27
35K
21.75 mi12:59:372:34:297:065:03
6:45
-1:18
23M
23.00 mi13:08:282:43:207:068:51
7:04
+0:19
24M
24.00 mi13:15:212:50:137:066:53
6:53
-0:11
40K
24.85 mi13:21:182:56:107:055:57
6:58
+0:05
25.2M
25.20 mi13:24:122:59:047:062:54
8:25
+1:27
Finish
26.22 mi13:31:433:06:357:077:31
7:23
-1:02

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

6:45 /mi

Average Pace

7:07 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:14:29

72% of race

Time at Slower Pace

52:06

28% of race

Average Pace: 7:07 /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 mi10:46:1221:046:4721:04
6:47
#6154
10K
6.21 mi11:07:3442:266:5021:22
6:53
#6560
15K
9.32 mi11:29:071:03:596:5221:33
6:56
#6789
20K
12.43 mi11:50:441:25:366:5321:37
6:57
#6739
Half
13.11 mi11:55:281:30:206:534:44
6:56
#6754
25K
15.53 mi12:12:531:47:456:5617:25
7:11
#6840
30K
18.64 mi12:36:112:11:037:0223:18
7:30
#6858
20M
20.00 mi12:46:312:21:237:0410:20
7:36
#6822
21M
21.00 mi12:54:342:29:267:078:03
8:03
#6789
35K
21.75 mi12:59:372:34:297:065:03
6:45
#6652
23M
23.00 mi13:08:282:43:207:068:51
7:04
#6421
24M
24.00 mi13:15:212:50:137:066:53
6:53
#6266
40K
24.85 mi13:21:182:56:107:055:57
6:58
#6107
25.2M
25.20 mi13:24:122:59:047:062:54
8:25
#6114
Finish
26.22 mi13:31:433:06:357:077:31
7:23
#6148
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6154564456447190(Top 25%)6389(Top 40%)6389(Top 284%)
10K6.21 mi3.10 mi6560-4065960-3165960-3167064(Top 25%)6322(Top 39%)6322(Top 281%)
15K9.32 mi3.11 mi6789-2296113-1536113-1537190(Top 25%)6389(Top 40%)6389(Top 284%)
20K12.43 mi3.11 mi6739+506078+356078+356620(Top 23%)5918(Top 37%)5918(Top 263%)
Half13.11 mi0.68 mi6754-156090-126090-127097(Top 25%)6274(Top 39%)6274(Top 279%)
25K15.53 mi2.42 mi6840-866126-366126-367453(Top 26%)6409(Top 40%)6409(Top 285%)
30K18.64 mi3.11 mi6858-186098+286098+287721(Top 27%)6416(Top 40%)6416(Top 286%)
20M20.00 mi1.36 mi6822+366048+506048+507685(Top 27%)6241(Top 39%)6241(Top 278%)
21M21.00 mi1.00 mi6789+336004+446004+447595(Top 27%)6013(Top 37%)6013(Top 268%)
35K21.75 mi0.75 mi6652+1375886+1185886+1183813(Top 13%)3435(Top 21%)3435(Top 153%)
23M23.00 mi1.25 mi6421+2315692+1945692+1944161(Top 15%)3705(Top 23%)3705(Top 165%)
24M24.00 mi1.00 mi6266+1555562+1305562+1303980(Top 14%)3519(Top 22%)3519(Top 157%)
40K24.85 mi0.85 mi6107+1595430+1325430+1323662(Top 13%)3232(Top 20%)3232(Top 144%)
25.2M25.20 mi0.35 mi6114-75422+85422+88132(Top 29%)5956(Top 37%)5956(Top 265%)
Finish26.22 mi1.02 mi6148-345423-15423-18283(Top 29%)6059(Top 38%)6059(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7190

Males

6389

M40-44

6389

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7064

Males

6322

M40-44

6322

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7190

Males

6389

M40-44

6389

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6620

Males

5918

M40-44

5918

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7097

Males

6274

M40-44

6274

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7453

Males

6409

M40-44

6409

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7721

Males

6416

M40-44

6416

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7685

Males

6241

M40-44

6241

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7595

Males

6013

M40-44

6013

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3813

Males

3435

M40-44

3435

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4161

Males

3705

M40-44

3705

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3980

Males

3519

M40-44

3519

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3662

Males

3232

M40-44

3232

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8132

Males

5956

M40-44

5956

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8283

Males

6059

M40-44

6059

Passing Analysis

Category:
Athletes Passed
1564
Passed By
1558
Net Change
+6
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6154
5K → 10K69475-406#6154#6560
10K → 15K81310-229#6560#6789
15K → 20K154104+50#6789#6739
20K → Half2237-15#6739#6754
Half → 25K93179-86#6754#6840
25K → 30K168186-18#6840#6858
30K → 20M10973+36#6858#6822
20M → 21M9865+33#6822#6789
21M → 35K1370+137#6789#6652
35K → 23M2332+231#6652#6421
23M → 24M1583+155#6421#6266
24M → 40K1656+159#6266#6107
40K → 25.2M2431-7#6107#6114
25.2M → Finish5387-34#6114#6148
TOTALS15641558+6
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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