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BOSTON MARATHON 2025

Ana Arenas

Bib: 32108•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:19
Rank: #24986
Start → 5K
30:19 | 9:45/mi
10K· 6.21 mi
1:01:00
Rank: #25008 (-22)
5K → 10K
30:41 | 9:53/mi
15K· 9.32 mi
1:31:43
Rank: #24904 (+104)
10K → 15K
30:43 | 9:53/mi
20K· 12.43 mi
2:03:29
Rank: #24846 (+58)
15K → 20K
31:46 | 10:13/mi
Half· 13.11 mi
2:10:18
Rank: #24837 (+9)
20K → Half
6:49 | 9:59/mi
25K· 15.53 mi
2:37:52
Rank: #25048 (-211)
Half → 25K
27:34 | 11:22/mi
30K· 18.64 mi
3:15:01
Rank: #25157 (-109)
25K → 30K
37:09 | 11:57/mi
20M
3:32:01
Rank: #25243 (-86)
30K → 20M
17:00 | 12:31/mi
21M
3:45:26
Rank: #25274 (-31)
20M → 21M
13:25 | 13:25/mi
35K· 21.75 mi
3:53:58
Rank: #25277 (-3)
21M → 35K
8:32 | 11:24/mi
23M
4:08:45
Rank: #25249 (+28)
35K → 23M
14:47 | 11:48/mi
24M
4:20:07
Rank: #25229 (+20)
23M → 24M
11:22 | 11:22/mi
40K· 24.85 mi
4:29:46
Rank: #25197 (+32)
24M → 40K
9:39 | 11:17/mi
25.2M
4:34:35
Rank: #25216 (-19)
40K → 25.2M
4:49 | 13:58/mi
Finish· 26.22 mi
4:44:34
Rank: #25145 (+71)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:18
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:34:16
Pace11:46 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4830:199:4530:19
9:45
-
10K
6.21 mi12:25:291:01:009:4930:41
9:53
+0:08
15K
9.32 mi12:56:121:31:439:5030:43
9:53
0:00
20K
12.43 mi13:27:582:03:299:5631:46
10:13
+0:20
Half
13.11 mi13:34:472:10:189:566:49
9:59
-0:14
25K
15.53 mi14:02:212:37:5210:1027:34
11:22
+1:23
30K
18.64 mi14:39:303:15:0110:2837:09
11:57
+0:35
20M
20.00 mi14:56:303:32:0110:3617:00
12:31
+0:34
21M
21.00 mi15:09:553:45:2610:4413:25
13:25
+0:54
35K
21.75 mi15:18:273:53:5810:458:32
11:24
-2:01
23M
23.00 mi15:33:144:08:4510:4914:47
11:48
+0:24
24M
24.00 mi15:44:364:20:0710:5011:22
11:22
-0:26
40K
24.85 mi15:54:154:29:4610:519:39
11:17
-0:05
25.2M
25.20 mi15:59:044:34:3510:544:49
13:58
+2:41
Finish
26.22 mi16:09:034:44:3410:529:59
9:48
-4:10

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

9:45 /mi

Average Pace

10:52 /mi

Slowest Pace

13:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:17

49% of race

Time at Steady Pace

1:49:03

38% of race

Time at Slower Pace

35:14

12% of race

Average Pace: 10:51 /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 mi11:54:4830:199:4530:19
9:45
#24986
10K
6.21 mi12:25:291:01:009:4930:41
9:53
#25008
15K
9.32 mi12:56:121:31:439:5030:43
9:53
#24904
20K
12.43 mi13:27:582:03:299:5631:46
10:13
#24846
Half
13.11 mi13:34:472:10:189:566:49
9:59
#24837
25K
15.53 mi14:02:212:37:5210:1027:34
11:22
#25048
30K
18.64 mi14:39:303:15:0110:2837:09
11:57
#25157
20M
20.00 mi14:56:303:32:0110:3617:00
12:31
#25243
21M
21.00 mi15:09:553:45:2610:4413:25
13:25
#25274
35K
21.75 mi15:18:273:53:5810:458:32
11:24
#25277
23M
23.00 mi15:33:144:08:4510:4914:47
11:48
#25249
24M
24.00 mi15:44:364:20:0710:5011:22
11:22
#25229
40K
24.85 mi15:54:154:29:4610:519:39
11:17
#25197
25.2M
25.20 mi15:59:044:34:3510:544:49
13:58
#25216
Finish
26.22 mi16:09:034:44:3410:529:59
9:48
#25145
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24986102041020424739(Top 87%)10080(Top 82%)10080(Top 184%)
10K6.21 mi3.10 mi25008-2210234-3010234-3025032(Top 88%)10251(Top 84%)10251(Top 187%)
15K9.32 mi3.11 mi24904+10410175+5910175+5924739(Top 87%)10080(Top 82%)10080(Top 184%)
20K12.43 mi3.11 mi24846+5810147+2810147+2824690(Top 87%)10102(Top 83%)10102(Top 185%)
Half13.11 mi0.68 mi24837+910144+310144+324795(Top 87%)10162(Top 83%)10162(Top 186%)
25K15.53 mi2.42 mi25048-21110278-13410278-13425694(Top 90%)10690(Top 87%)10690(Top 195%)
30K18.64 mi3.11 mi25157-10910370-9210370-9225534(Top 90%)10696(Top 87%)10696(Top 196%)
20M20.00 mi1.36 mi25243-8610434-6410434-6425912(Top 91%)10967(Top 90%)10967(Top 201%)
21M21.00 mi1.00 mi25274-3110463-2910463-2925562(Top 90%)10837(Top 89%)10837(Top 198%)
35K21.75 mi0.75 mi25277-310468-510468-524927(Top 88%)10549(Top 86%)10549(Top 193%)
23M23.00 mi1.25 mi25249+2810466+210466+224762(Top 87%)10479(Top 86%)10479(Top 192%)
24M24.00 mi1.00 mi25229+2010465+110465+124666(Top 87%)10472(Top 86%)10472(Top 191%)
40K24.85 mi0.85 mi25197+3210450+1510450+1523720(Top 84%)10044(Top 82%)10044(Top 184%)
25.2M25.20 mi0.35 mi25216-1910471-2110471-2126219(Top 92%)11295(Top 92%)11295(Top 207%)
Finish26.22 mi1.02 mi25145+7110438+3310438+3322239(Top 78%)9294(Top 76%)9294(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24739

Females

10080

F18-39

10080

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25032

Females

10251

F18-39

10251

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24739

Females

10080

F18-39

10080

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24690

Females

10102

F18-39

10102

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24795

Females

10162

F18-39

10162

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25694

Females

10690

F18-39

10690

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25534

Females

10696

F18-39

10696

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25912

Females

10967

F18-39

10967

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25562

Females

10837

F18-39

10837

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

24927

Females

10549

F18-39

10549

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24762

Females

10479

F18-39

10479

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24666

Females

10472

F18-39

10472

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23720

Females

10044

F18-39

10044

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26219

Females

11295

F18-39

11295

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22239

Females

9294

F18-39

9294

Passing Analysis

Category:
Athletes Passed
1021
Passed By
1180
Net Change
-159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24986
5K → 10K179201-22#24986#25008
10K → 15K18682+104#25008#24904
15K → 20K162104+58#24904#24846
20K → Half3425+9#24846#24837
Half → 25K46257-211#24837#25048
25K → 30K94203-109#25048#25157
30K → 20M29115-86#25157#25243
20M → 21M3667-31#25243#25274
21M → 35K2932-3#25274#25277
35K → 23M5426+28#25277#25249
23M → 24M5131+20#25249#25229
24M → 40K408+32#25229#25197
40K → 25.2M928-19#25197#25216
25.2M → Finish721+71#25216#25145
TOTALS10211180-159
📊

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