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BOSTON MARATHON 2025

Isabela Ballados

Bib: 17148•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:20
Rank: #12348
Start → 5K
23:20 | 7:31/mi
10K· 6.21 mi
46:08
Rank: #11458 (+890)
5K → 10K
22:48 | 7:20/mi
15K· 9.32 mi
1:09:10
Rank: #11262 (+196)
10K → 15K
23:02 | 7:25/mi
20K· 12.43 mi
1:32:01
Rank: #10794 (+468)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:36:58
Rank: #10728 (+66)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:36
Rank: #10250 (+478)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:17:44
Rank: #9613 (+637)
25K → 30K
23:08 | 7:27/mi
20M
2:27:46
Rank: #9290 (+323)
30K → 20M
10:02 | 7:23/mi
21M
2:35:21
Rank: #8973 (+317)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:40:27
Rank: #8722 (+251)
21M → 35K
5:06 | 6:49/mi
23M
2:49:19
Rank: #8317 (+405)
35K → 23M
8:52 | 7:05/mi
24M
2:56:03
Rank: #7994 (+323)
23M → 24M
6:44 | 6:44/mi
40K· 24.85 mi
3:01:56
Rank: #7745 (+249)
24M → 40K
5:53 | 6:53/mi
25.2M
3:04:30
Rank: #7624 (+121)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:11:24
Rank: #7445 (+179)
25.2M → Finish
6:54 | 6:46/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:34:26
Pace7:12 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4923:207:3123:20
7:31
-
10K
6.21 mi11:43:3746:087:2522:48
7:20
-0:11
15K
9.32 mi12:06:391:09:107:2523:02
7:25
+0:05
20K
12.43 mi12:29:301:32:017:2422:51
7:21
-0:04
Half
13.11 mi12:34:271:36:587:244:57
7:15
-0:06
25K
15.53 mi12:52:051:54:367:2317:38
7:16
+0:01
30K
18.64 mi13:15:132:17:447:2323:08
7:27
+0:11
20M
20.00 mi13:25:152:27:467:2310:02
7:23
-0:04
21M
21.00 mi13:32:502:35:217:247:35
7:35
+0:12
35K
21.75 mi13:37:562:40:277:235:06
6:49
-0:46
23M
23.00 mi13:46:482:49:197:228:52
7:05
+0:16
24M
24.00 mi13:53:322:56:037:206:44
6:44
-0:21
40K
24.85 mi13:59:253:01:567:195:53
6:53
+0:09
25.2M
25.20 mi14:01:593:04:307:192:34
7:27
+0:34
Finish
26.22 mi14:08:533:11:247:186:54
6:46
-0:41

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

6:44 /mi

Average Pace

7:18 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:45

58% of race

Time at Steady Pace

1:19:39

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi11:20:4923:207:3123:20
7:31
#12348
10K
6.21 mi11:43:3746:087:2522:48
7:20
#11458
15K
9.32 mi12:06:391:09:107:2523:02
7:25
#11262
20K
12.43 mi12:29:301:32:017:2422:51
7:21
#10794
Half
13.11 mi12:34:271:36:587:244:57
7:15
#10728
25K
15.53 mi12:52:051:54:367:2317:38
7:16
#10250
30K
18.64 mi13:15:132:17:447:2323:08
7:27
#9613
20M
20.00 mi13:25:152:27:467:2310:02
7:23
#9290
21M
21.00 mi13:32:502:35:217:247:35
7:35
#8973
35K
21.75 mi13:37:562:40:277:235:06
6:49
#8722
23M
23.00 mi13:46:482:49:197:228:52
7:05
#8317
24M
24.00 mi13:53:322:56:037:206:44
6:44
#7994
40K
24.85 mi13:59:253:01:567:195:53
6:53
#7745
25.2M
25.20 mi14:01:593:04:307:192:34
7:27
#7624
Finish
26.22 mi14:08:533:11:247:186:54
6:46
#7445
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi123482982298210998(Top 39%)2367(Top 19%)2367(Top 43%)
10K6.21 mi3.10 mi11458+8902528+4542528+45410653(Top 38%)2130(Top 17%)2130(Top 39%)
15K9.32 mi3.11 mi11262+1962452+762452+7610998(Top 39%)2367(Top 19%)2367(Top 43%)
20K12.43 mi3.11 mi10794+4682237+2152237+2159507(Top 33%)1734(Top 14%)1734(Top 32%)
Half13.11 mi0.68 mi10728+662205+322205+329621(Top 34%)1749(Top 14%)1749(Top 32%)
25K15.53 mi2.42 mi10250+4782026+1792026+1798162(Top 29%)1278(Top 10%)1278(Top 23%)
30K18.64 mi3.11 mi9613+6371785+2411785+2417364(Top 26%)1149(Top 9%)1149(Top 21%)
20M20.00 mi1.36 mi9290+3231668+1171668+1176318(Top 22%)897(Top 7%)897(Top 16%)
21M21.00 mi1.00 mi8973+3171563+1051563+1055074(Top 18%)633(Top 5%)633(Top 12%)
35K21.75 mi0.75 mi8722+2511479+841479+844276(Top 15%)457(Top 4%)457(Top 8%)
23M23.00 mi1.25 mi8317+4051359+1201359+1204263(Top 15%)472(Top 4%)472(Top 9%)
24M24.00 mi1.00 mi7994+3231277+821277+823183(Top 11%)309(Top 3%)309(Top 6%)
40K24.85 mi0.85 mi7745+2491215+621215+623298(Top 12%)347(Top 3%)347(Top 6%)
25.2M25.20 mi0.35 mi7624+1211186+291186+293252(Top 11%)389(Top 3%)389(Top 7%)
Finish26.22 mi1.02 mi7445+1791155+311155+314366(Top 15%)659(Top 5%)659(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10998

Females

2367

F18-39

2367

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10653

Females

2130

F18-39

2130

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10998

Females

2367

F18-39

2367

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9507

Females

1734

F18-39

1734

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9621

Females

1749

F18-39

1749

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8162

Females

1278

F18-39

1278

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7364

Females

1149

F18-39

1149

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6318

Females

897

F18-39

897

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5074

Females

633

F18-39

633

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4276

Females

457

F18-39

457

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4263

Females

472

F18-39

472

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3183

Females

309

F18-39

309

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3298

Females

347

F18-39

347

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3252

Females

389

F18-39

389

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4366

Females

659

F18-39

659

Passing Analysis

Category:
Athletes Passed
5070*
Passed By
167
Net Change
+4903
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12348
5K → 10K92838+890#12348#11458
10K → 15K28589+196#11458#11262
15K → 20K48113+468#11262#10794
20K → Half748+66#10794#10728
Half → 25K4813+478#10728#10250
25K → 30K647*10+637#10250#9613
30K → 20M3230+323#9613#9290
20M → 21M3170+317#9290#8973
21M → 35K2521+251#8973#8722
35K → 23M4050+405#8722#8317
23M → 24M3230+323#8317#7994
24M → 40K2490+249#7994#7745
40K → 25.2M1221+121#7745#7624
25.2M → Finish1834+179#7624#7445
TOTALS5070*167+4903

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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