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BOSTON MARATHON 2025

Eduardo Alonso Fernandez

Bib: 9604•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M45-49)
#0 / 2386
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #6688
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:28
Rank: #6609 (+79)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:03:32
Rank: #6356 (+253)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:43
Rank: #6088 (+268)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:15
Rank: #6018 (+70)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:46:04
Rank: #5957 (+61)
Half → 25K
16:49 | 6:56/mi
30K· 18.64 mi
2:07:55
Rank: #5685 (+272)
25K → 30K
21:51 | 7:02/mi
20M
2:17:38
Rank: #5605 (+80)
30K → 20M
9:43 | 7:09/mi
21M
2:24:58
Rank: #5462 (+143)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:30:04
Rank: #5376 (+86)
21M → 35K
5:06 | 6:49/mi
23M
2:39:01
Rank: #5275 (+101)
35K → 23M
8:57 | 7:09/mi
24M
2:46:08
Rank: #5254 (+21)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:52:17
Rank: #5196 (+58)
24M → 40K
6:09 | 7:12/mi
25.2M
2:54:58
Rank: #5165 (+31)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:02:07
Rank: #5141 (+24)
25.2M → Finish
7:09 | 7:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:15
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:32:52
Pace7:05 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0621:176:5121:17
6:51
-
10K
6.21 mi11:08:1742:286:5021:11
6:49
-0:02
15K
9.32 mi11:29:211:03:326:4921:04
6:47
-0:02
20K
12.43 mi11:50:321:24:436:4921:11
6:49
+0:02
Half
13.11 mi11:55:041:29:156:484:32
6:39
-0:10
25K
15.53 mi12:11:531:46:046:5016:49
6:56
+0:17
30K
18.64 mi12:33:442:07:556:5221:51
7:02
+0:06
20M
20.00 mi12:43:272:17:386:539:43
7:09
+0:07
21M
21.00 mi12:50:472:24:586:547:20
7:20
+0:11
35K
21.75 mi12:55:532:30:046:545:06
6:49
-0:31
23M
23.00 mi13:04:502:39:016:558:57
7:09
+0:20
24M
24.00 mi13:11:572:46:086:557:07
7:07
-0:02
40K
24.85 mi13:18:062:52:176:566:09
7:12
+0:05
25.2M
25.20 mi13:20:472:54:586:572:41
7:47
+0:35
Finish
26.22 mi13:27:563:02:076:577:09
7:01
-0:46

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

6:39 /mi

Average Pace

6:57 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:06

94% of race

Time at Steady Pace

10:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:47:0621:176:5121:17
6:51
#6688
10K
6.21 mi11:08:1742:286:5021:11
6:49
#6609
15K
9.32 mi11:29:211:03:326:4921:04
6:47
#6356
20K
12.43 mi11:50:321:24:436:4921:11
6:49
#6088
Half
13.11 mi11:55:041:29:156:484:32
6:39
#6018
25K
15.53 mi12:11:531:46:046:5016:49
6:56
#5957
30K
18.64 mi12:33:442:07:556:5221:51
7:02
#5685
20M
20.00 mi12:43:272:17:386:539:43
7:09
#5605
21M
21.00 mi12:50:472:24:586:547:20
7:20
#5462
35K
21.75 mi12:55:532:30:046:545:06
6:49
#5376
23M
23.00 mi13:04:502:39:016:558:57
7:09
#5275
24M
24.00 mi13:11:572:46:086:557:07
7:07
#5254
40K
24.85 mi13:18:062:52:176:566:09
7:12
#5196
25.2M
25.20 mi13:20:472:54:586:572:41
7:47
#5165
Finish
26.22 mi13:27:563:02:076:577:09
7:01
#5141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6688606360635880(Top 21%)5354(Top 33%)5354(Top 224%)
10K6.21 mi3.10 mi6609+795995+685995+686568(Top 23%)5934(Top 37%)5934(Top 249%)
15K9.32 mi3.11 mi6356+2535791+2045791+2045880(Top 21%)5354(Top 33%)5354(Top 224%)
20K12.43 mi3.11 mi6088+2685557+2345557+2345473(Top 19%)5000(Top 31%)5000(Top 210%)
Half13.11 mi0.68 mi6018+705495+625495+624774(Top 17%)4434(Top 28%)4434(Top 186%)
25K15.53 mi2.42 mi5957+615421+745421+745879(Top 21%)5298(Top 33%)5298(Top 222%)
30K18.64 mi3.11 mi5685+2725185+2365185+2364891(Top 17%)4447(Top 28%)4447(Top 186%)
20M20.00 mi1.36 mi5605+805118+675118+674923(Top 17%)4426(Top 27%)4426(Top 185%)
21M21.00 mi1.00 mi5462+1434989+1294989+1293774(Top 13%)3437(Top 21%)3437(Top 144%)
35K21.75 mi0.75 mi5376+864908+814908+814203(Top 15%)3756(Top 23%)3756(Top 157%)
23M23.00 mi1.25 mi5275+1014809+994809+994571(Top 16%)4003(Top 25%)4003(Top 168%)
24M24.00 mi1.00 mi5254+214781+284781+285277(Top 19%)4444(Top 28%)4444(Top 186%)
40K24.85 mi0.85 mi5196+584725+564725+564980(Top 18%)4190(Top 26%)4190(Top 176%)
25.2M25.20 mi0.35 mi5165+314695+304695+304720(Top 17%)3918(Top 24%)3918(Top 164%)
Finish26.22 mi1.02 mi5141+244665+304665+305804(Top 20%)4601(Top 29%)4601(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5880

Males

5354

M45-49

5354

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6568

Males

5934

M45-49

5934

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5880

Males

5354

M45-49

5354

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5473

Males

5000

M45-49

5000

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4774

Males

4434

M45-49

4434

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5879

Males

5298

M45-49

5298

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4891

Males

4447

M45-49

4447

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4923

Males

4426

M45-49

4426

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3774

Males

3437

M45-49

3437

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4203

Males

3756

M45-49

3756

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4571

Males

4003

M45-49

4003

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5277

Males

4444

M45-49

4444

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4980

Males

4190

M45-49

4190

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4720

Males

3918

M45-49

3918

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5804

Males

4601

M45-49

4601

Passing Analysis

Category:
Athletes Passed
2101
Passed By
554
Net Change
+1547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6688
5K → 10K237158+79#6688#6609
10K → 15K30249+253#6609#6356
15K → 20K29931+268#6356#6088
20K → Half711+70#6088#6018
Half → 25K15493+61#6018#5957
25K → 30K32553+272#5957#5685
30K → 20M11333+80#5685#5605
20M → 21M1507+143#5605#5462
21M → 35K9711+86#5462#5376
35K → 23M12726+101#5376#5275
23M → 24M6039+21#5275#5254
24M → 40K7517+58#5254#5196
40K → 25.2M365+31#5196#5165
25.2M → Finish5531+24#5165#5141
TOTALS2101554+1547
📊

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