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BOSTON MARATHON 2025

Alejandro Santana

Bib: 4772•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #3323
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:42
Rank: #2969 (+354)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:28
Rank: #2866 (+103)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:19:09
Rank: #2662 (+204)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:23:23
Rank: #2620 (+42)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:38:44
Rank: #2485 (+135)
Half → 25K
15:21 | 6:20/mi
30K· 18.64 mi
1:58:51
Rank: #2319 (+166)
25K → 30K
20:07 | 6:28/mi
20M
2:07:51
Rank: #2273 (+46)
30K → 20M
9:00 | 6:37/mi
21M
2:14:51
Rank: #2250 (+23)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:19:43
Rank: #2242 (+8)
21M → 35K
4:52 | 6:30/mi
23M
2:28:15
Rank: #2237 (+5)
35K → 23M
8:32 | 6:49/mi
24M
2:34:52
Rank: #2231 (+6)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:40:42
Rank: #2232 (-1)
24M → 40K
5:50 | 6:49/mi
25.2M
2:43:14
Rank: #2232
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:49:55
Rank: #2257 (-25)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:23
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0919:596:2619:59
6:26
-
10K
6.21 mi10:43:5239:426:2319:43
6:21
-0:05
15K
9.32 mi11:03:3859:286:2319:46
6:22
+0:01
20K
12.43 mi11:23:191:19:096:2219:41
6:20
-0:02
Half
13.11 mi11:27:331:23:236:224:14
6:12
-0:08
25K
15.53 mi11:42:541:38:446:2115:21
6:20
+0:08
30K
18.64 mi12:03:011:58:516:2320:07
6:28
+0:08
20M
20.00 mi12:12:012:07:516:249:00
6:37
+0:09
21M
21.00 mi12:19:012:14:516:257:00
7:00
+0:23
35K
21.75 mi12:23:532:19:436:254:52
6:30
-0:30
23M
23.00 mi12:32:252:28:156:278:32
6:49
+0:19
24M
24.00 mi12:39:022:34:526:276:37
6:37
-0:12
40K
24.85 mi12:44:522:40:426:285:50
6:49
+0:12
25.2M
25.20 mi12:47:242:43:146:292:32
7:21
+0:32
Finish
26.22 mi12:54:052:49:556:296:41
6:34
-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

6:12 /mi

Average Pace

6:29 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:23

94% of race

Time at Steady Pace

7:00

4% of race

Time at Slower Pace

2:32

1% of race

Average Pace: 6:29 /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 mi10:24:0919:596:2619:59
6:26
#3323
10K
6.21 mi10:43:5239:426:2319:43
6:21
#2969
15K
9.32 mi11:03:3859:286:2319:46
6:22
#2866
20K
12.43 mi11:23:191:19:096:2219:41
6:20
#2662
Half
13.11 mi11:27:331:23:236:224:14
6:12
#2620
25K
15.53 mi11:42:541:38:446:2115:21
6:20
#2485
30K
18.64 mi12:03:011:58:516:2320:07
6:28
#2319
20M
20.00 mi12:12:012:07:516:249:00
6:37
#2273
21M
21.00 mi12:19:012:14:516:257:00
7:00
#2250
35K
21.75 mi12:23:532:19:436:254:52
6:30
#2242
23M
23.00 mi12:32:252:28:156:278:32
6:49
#2237
24M
24.00 mi12:39:022:34:526:276:37
6:37
#2231
40K
24.85 mi12:44:522:40:426:285:50
6:49
#2232
25.2M
25.20 mi12:47:242:43:146:292:32
7:21
#2232
Finish
26.22 mi12:54:052:49:556:296:41
6:34
#2257
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3323315531552696(Top 9%)2567(Top 16%)2567(Top 45%)
10K6.21 mi3.10 mi2969+3542823+3322823+3322704(Top 10%)2575(Top 16%)2575(Top 46%)
15K9.32 mi3.11 mi2866+1032732+912732+912696(Top 9%)2567(Top 16%)2567(Top 45%)
20K12.43 mi3.11 mi2662+2042539+1932539+1932187(Top 8%)2086(Top 13%)2086(Top 37%)
Half13.11 mi0.68 mi2620+422501+382501+381993(Top 7%)1902(Top 12%)1902(Top 34%)
25K15.53 mi2.42 mi2485+1352371+1302371+1302020(Top 7%)1924(Top 12%)1924(Top 34%)
30K18.64 mi3.11 mi2319+1662214+1572214+1571875(Top 7%)1785(Top 11%)1785(Top 32%)
20M20.00 mi1.36 mi2273+462168+462168+462111(Top 7%)1998(Top 12%)1998(Top 35%)
21M21.00 mi1.00 mi2250+232148+202148+202238(Top 8%)2089(Top 13%)2089(Top 37%)
35K21.75 mi0.75 mi2242+82137+112137+112454(Top 9%)2287(Top 14%)2287(Top 41%)
23M23.00 mi1.25 mi2237+52129+82129+82758(Top 10%)2532(Top 16%)2532(Top 45%)
24M24.00 mi1.00 mi2231+62122+72122+72541(Top 9%)2335(Top 14%)2335(Top 41%)
40K24.85 mi0.85 mi2232-1212221222923(Top 10%)2632(Top 16%)2632(Top 47%)
25.2M25.20 mi0.35 mi22322121+12121+12678(Top 9%)2380(Top 15%)2380(Top 42%)
Finish26.22 mi1.02 mi2257-252142-212142-213065(Top 11%)2720(Top 17%)2720(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2696

Males

2567

M18-39

2567

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2704

Males

2575

M18-39

2575

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2696

Males

2567

M18-39

2567

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2187

Males

2086

M18-39

2086

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1993

Males

1902

M18-39

1902

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2020

Males

1924

M18-39

1924

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1875

Males

1785

M18-39

1785

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2111

Males

1998

M18-39

1998

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2238

Males

2089

M18-39

2089

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2454

Males

2287

M18-39

2287

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2758

Males

2532

M18-39

2532

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2541

Males

2335

M18-39

2335

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2923

Males

2632

M18-39

2632

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2678

Males

2380

M18-39

2380

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3065

Males

2720

M18-39

2720

Passing Analysis

Category:
Athletes Passed
1407
Passed By
341
Net Change
+1066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3323
5K → 10K37723+354#3323#2969
10K → 15K14845+103#2969#2866
15K → 20K2128+204#2866#2662
20K → Half453+42#2662#2620
Half → 25K1427+135#2620#2485
25K → 30K18620+166#2485#2319
30K → 20M6317+46#2319#2273
20M → 21M4522+23#2273#2250
21M → 35K2214+8#2250#2242
35K → 23M4742+5#2242#2237
23M → 24M4539+6#2237#2231
24M → 40K3132-1#2231#2232
40K → 25.2M19190#2232#2232
25.2M → Finish2550-25#2232#2257
TOTALS1407341+1066
📊

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