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BOSTON MARATHON 2025

Katherine Unera

Bib: 13480•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Female)
#0 / 12228
Top 16%
Division (F18-39)
#0 / 5469
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:18
Rank: #12252
Start → 5K
23:18 | 7:30/mi
10K· 6.21 mi
46:37
Rank: #12154 (+98)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:09:41
Rank: #11775 (+379)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:32:43
Rank: #11322 (+453)
15K → 20K
23:02 | 7:25/mi
Half· 13.11 mi
1:37:45
Rank: #11279 (+43)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:55:47
Rank: #10928 (+351)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:19:13
Rank: #10295 (+633)
25K → 30K
23:26 | 7:33/mi
20M
2:29:32
Rank: #10023 (+272)
30K → 20M
10:19 | 7:36/mi
21M
2:37:36
Rank: #9832 (+191)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:43:13
Rank: #9787 (+45)
21M → 35K
5:37 | 7:30/mi
23M
2:52:55
Rank: #9662 (+125)
35K → 23M
9:42 | 7:45/mi
24M
3:00:37
Rank: #9603 (+59)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:07:20
Rank: #9552 (+51)
24M → 40K
6:43 | 7:51/mi
25.2M
3:10:24
Rank: #9564 (-12)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:17:58
Rank: #9502 (+62)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:40:13
Pace7:39 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4923:187:3023:18
7:30
-
10K
6.21 mi11:16:0846:377:3023:19
7:30
0:00
15K
9.32 mi11:39:121:09:417:2923:04
7:25
-0:05
20K
12.43 mi12:02:141:32:437:2823:02
7:25
0:00
Half
13.11 mi12:07:161:37:457:275:02
7:23
-0:02
25K
15.53 mi12:25:181:55:477:2718:02
7:26
+0:03
30K
18.64 mi12:48:442:19:137:2823:26
7:33
+0:07
20M
20.00 mi12:59:032:29:327:2910:19
7:36
+0:03
21M
21.00 mi13:07:072:37:367:308:04
8:04
+0:28
35K
21.75 mi13:12:442:43:137:305:37
7:30
-0:34
23M
23.00 mi13:22:262:52:557:319:42
7:45
+0:15
24M
24.00 mi13:30:083:00:377:327:42
7:42
-0:03
40K
24.85 mi13:36:513:07:207:326:43
7:51
+0:09
25.2M
25.20 mi13:39:553:10:247:333:04
8:54
+1:03
Finish
26.22 mi13:47:293:17:587:337:34
7:26
-1:28

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

7:23 /mi

Average Pace

7:33 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:42:43

82% of race

Time at Slower Pace

35:15

18% of race

Average Pace: 7:33 /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 mi10:52:4923:187:3023:18
7:30
#12252
10K
6.21 mi11:16:0846:377:3023:19
7:30
#12154
15K
9.32 mi11:39:121:09:417:2923:04
7:25
#11775
20K
12.43 mi12:02:141:32:437:2823:02
7:25
#11322
Half
13.11 mi12:07:161:37:457:275:02
7:23
#11279
25K
15.53 mi12:25:181:55:477:2718:02
7:26
#10928
30K
18.64 mi12:48:442:19:137:2823:26
7:33
#10295
20M
20.00 mi12:59:032:29:327:2910:19
7:36
#10023
21M
21.00 mi13:07:072:37:367:308:04
8:04
#9832
35K
21.75 mi13:12:442:43:137:305:37
7:30
#9787
23M
23.00 mi13:22:262:52:557:319:42
7:45
#9662
24M
24.00 mi13:30:083:00:377:327:42
7:42
#9603
40K
24.85 mi13:36:513:07:207:326:43
7:51
#9552
25.2M
25.20 mi13:39:553:10:247:333:04
8:54
#9564
Finish
26.22 mi13:47:293:17:587:337:34
7:26
#9502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi122522928292811109(Top 39%)2423(Top 20%)2423(Top 44%)
10K6.21 mi3.10 mi12154+982888+402888+4012144(Top 43%)2888(Top 24%)2888(Top 53%)
15K9.32 mi3.11 mi11775+3792701+1872701+18711109(Top 39%)2423(Top 20%)2423(Top 44%)
20K12.43 mi3.11 mi11322+4532512+1892512+18910029(Top 35%)1974(Top 16%)1974(Top 36%)
Half13.11 mi0.68 mi11279+432491+212491+2110714(Top 38%)2279(Top 19%)2279(Top 42%)
25K15.53 mi2.42 mi10928+3512351+1402351+1409466(Top 33%)1857(Top 15%)1857(Top 34%)
30K18.64 mi3.11 mi10295+6332098+2532098+2538062(Top 28%)1419(Top 12%)1419(Top 26%)
20M20.00 mi1.36 mi10023+2721998+1001998+1007666(Top 27%)1412(Top 12%)1412(Top 26%)
21M21.00 mi1.00 mi9832+1911946+521946+527784(Top 27%)1630(Top 13%)1630(Top 30%)
35K21.75 mi0.75 mi9787+451951-51951-58715(Top 31%)1994(Top 16%)1994(Top 36%)
23M23.00 mi1.25 mi9662+1251930+211930+218242(Top 29%)1923(Top 16%)1923(Top 35%)
24M24.00 mi1.00 mi9603+591950-201950-209133(Top 32%)2389(Top 20%)2389(Top 44%)
40K24.85 mi0.85 mi9552+511955-51955-59200(Top 32%)2544(Top 21%)2544(Top 47%)
25.2M25.20 mi0.35 mi9564-121980-251980-2511207(Top 39%)3581(Top 29%)3581(Top 65%)
Finish26.22 mi1.02 mi9502+621996-161996-168693(Top 31%)2384(Top 19%)2384(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11109

Females

2423

F18-39

2423

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

12144

Females

2888

F18-39

2888

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11109

Females

2423

F18-39

2423

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

10029

Females

1974

F18-39

1974

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10714

Females

2279

F18-39

2279

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9466

Females

1857

F18-39

1857

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

8062

Females

1419

F18-39

1419

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7666

Females

1412

F18-39

1412

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7784

Females

1630

F18-39

1630

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8715

Females

1994

F18-39

1994

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8242

Females

1923

F18-39

1923

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9133

Females

2389

F18-39

2389

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9200

Females

2544

F18-39

2544

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11207

Females

3581

F18-39

3581

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8693

Females

2384

F18-39

2384

Passing Analysis

Category:
Athletes Passed
3353*
Passed By
603
Net Change
+2750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12252
5K → 10K301203+98#12252#12154
10K → 15K42243+379#12154#11775
15K → 20K47825+453#11775#11322
20K → Half5411+43#11322#11279
Half → 25K36817+351#11279#10928
25K → 30K6396+633#10928#10295
30K → 20M2797+272#10295#10023
20M → 21M218*27+191#10023#9832
21M → 35K8338+45#9832#9787
35K → 23M16439+125#9787#9662
23M → 24M12162+59#9662#9603
24M → 40K8938+51#9603#9552
40K → 25.2M3042-12#9552#9564
25.2M → Finish10745+62#9564#9502
TOTALS3353*603+2750

* 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