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BOSTON MARATHON 2025

Sergio Fernandez

Bib: 10175•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:37
Rank: #7491
Start → 5K
21:37 | 6:57/mi
10K· 6.21 mi
42:37
Rank: #6829 (+662)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:04:03
Rank: #6843 (-14)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:26:03
Rank: #7023 (-180)
15K → 20K
22:00 | 7:05/mi
Half· 13.11 mi
1:30:50
Rank: #7050 (-27)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:48:08
Rank: #7008 (+42)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:12:25
Rank: #7377 (-369)
25K → 30K
24:17 | 7:49/mi
20M
2:23:36
Rank: #7612 (-235)
30K → 20M
11:11 | 8:14/mi
21M
2:32:30
Rank: #7837 (-225)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:38:28
Rank: #7946 (-109)
21M → 35K
5:58 | 7:59/mi
23M
2:49:26
Rank: #8351 (-405)
35K → 23M
10:58 | 8:46/mi
24M
2:57:33
Rank: #8501 (-150)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:06:29
Rank: #9261 (-760)
24M → 40K
8:56 | 10:27/mi
25.2M
3:10:22
Rank: #9552 (-291)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:19:28
Rank: #9983 (-431)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:50
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:48:38
Pace8:17 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1921:376:5721:37
6:57
-
10K
6.21 mi11:08:1942:376:5221:00
6:46
-0:11
15K
9.32 mi11:29:451:04:036:5221:26
6:54
+0:08
20K
12.43 mi11:51:451:26:036:5522:00
7:05
+0:11
Half
13.11 mi11:56:321:30:506:564:47
7:01
-0:04
25K
15.53 mi12:13:501:48:086:5817:18
7:08
+0:07
30K
18.64 mi12:38:072:12:257:0624:17
7:49
+0:41
20M
20.00 mi12:49:182:23:367:1111:11
8:14
+0:25
21M
21.00 mi12:58:122:32:307:168:54
8:54
+0:40
35K
21.75 mi13:04:102:38:287:175:58
7:59
-0:55
23M
23.00 mi13:15:082:49:267:2210:58
8:46
+0:47
24M
24.00 mi13:23:152:57:337:248:07
8:07
-0:39
40K
24.85 mi13:32:113:06:297:308:56
10:27
+2:20
25.2M
25.20 mi13:36:043:10:227:333:53
11:16
+0:49
Finish
26.22 mi13:45:103:19:287:379:06
8:56
-2:20

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

6:46 /mi

Average Pace

7:37 /mi

Slowest Pace

11:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:08

54% of race

Time at Steady Pace

49:33

25% of race

Time at Slower Pace

41:47

21% of race

Average Pace: 7:36 /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 mi10:47:1921:376:5721:37
6:57
#7491
10K
6.21 mi11:08:1942:376:5221:00
6:46
#6829
15K
9.32 mi11:29:451:04:036:5221:26
6:54
#6843
20K
12.43 mi11:51:451:26:036:5522:00
7:05
#7023
Half
13.11 mi11:56:321:30:506:564:47
7:01
#7050
25K
15.53 mi12:13:501:48:086:5817:18
7:08
#7008
30K
18.64 mi12:38:072:12:257:0624:17
7:49
#7377
20M
20.00 mi12:49:182:23:367:1111:11
8:14
#7612
21M
21.00 mi12:58:122:32:307:168:54
8:54
#7837
35K
21.75 mi13:04:102:38:287:175:58
7:59
#7946
23M
23.00 mi13:15:082:49:267:2210:58
8:46
#8351
24M
24.00 mi13:23:152:57:337:248:07
8:07
#8501
40K
24.85 mi13:32:113:06:297:308:56
10:27
#9261
25.2M
25.20 mi13:36:043:10:227:333:53
11:16
#9552
Finish
26.22 mi13:45:103:19:287:379:06
8:56
#9983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7491666666666952(Top 24%)6216(Top 39%)6216(Top 261%)
10K6.21 mi3.10 mi6829+6626159+5076159+5075971(Top 21%)5465(Top 34%)5465(Top 229%)
15K9.32 mi3.11 mi6843-146156+36156+36952(Top 24%)6216(Top 39%)6216(Top 261%)
20K12.43 mi3.11 mi7023-1806292-1366292-1367409(Top 26%)6496(Top 40%)6496(Top 272%)
Half13.11 mi0.68 mi7050-276308-166308-167685(Top 27%)6706(Top 42%)6706(Top 281%)
25K15.53 mi2.42 mi7008+426262+466262+467194(Top 25%)6253(Top 39%)6253(Top 262%)
30K18.64 mi3.11 mi7377-3696482-2206482-22010071(Top 35%)7725(Top 48%)7725(Top 324%)
20M20.00 mi1.36 mi7612-2356598-1166598-11611969(Top 42%)8504(Top 53%)8504(Top 356%)
21M21.00 mi1.00 mi7837-2256704-1066704-10612884(Top 45%)8784(Top 55%)8784(Top 368%)
35K21.75 mi0.75 mi7946-1096747-436747-4312067(Top 42%)8347(Top 52%)8347(Top 350%)
23M23.00 mi1.25 mi8351-4056958-2116958-21114850(Top 52%)9553(Top 59%)9553(Top 400%)
24M24.00 mi1.00 mi8501-1507013-557013-5511982(Top 42%)8148(Top 51%)8148(Top 341%)
40K24.85 mi0.85 mi9261-7607416-4037416-40321750(Top 77%)12625(Top 78%)12625(Top 529%)
25.2M25.20 mi0.35 mi9552-2917557-1417557-14121352(Top 75%)12441(Top 77%)12441(Top 521%)
Finish26.22 mi1.02 mi9983-4317747-1907747-19018641(Top 66%)11185(Top 69%)11185(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6952

Males

6216

M45-49

6216

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5971

Males

5465

M45-49

5465

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6952

Males

6216

M45-49

6216

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7409

Males

6496

M45-49

6496

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7685

Males

6706

M45-49

6706

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7194

Males

6253

M45-49

6253

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

10071

Males

7725

M45-49

7725

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11969

Males

8504

M45-49

8504

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12884

Males

8784

M45-49

8784

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

12067

Males

8347

M45-49

8347

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14850

Males

9553

M45-49

9553

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11982

Males

8148

M45-49

8148

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21750

Males

12625

M45-49

12625

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21352

Males

12441

M45-49

12441

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18641

Males

11185

M45-49

11185

Passing Analysis

Category:
Athletes Passed
1346
Passed By
3838
Net Change
-2492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7491
5K → 10K68220+662#7491#6829
10K → 15K149163-14#6829#6843
15K → 20K73253-180#6843#7023
20K → Half2047-27#7023#7050
Half → 25K13290+42#7050#7008
25K → 30K83452-369#7008#7377
30K → 20M47282-235#7377#7612
20M → 21M41266-225#7612#7837
21M → 35K31140-109#7837#7946
35K → 23M33438-405#7946#8351
23M → 24M36186-150#8351#8501
24M → 40K9769-760#8501#9261
40K → 25.2M4295-291#9261#9552
25.2M → Finish6437-431#9552#9983
TOTALS13463838-2492
📊

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