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BOSTON MARATHON 2025

Ashlyn Koletic

Bib: 15891•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:46/mi
24:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:10:23
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:33:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:38:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:22/mi
1:56:15
↑ 66↓ 880.2%
30K· 18.64 mi
7:38/mi
2:19:57
↑ 181↓ 1480.2%
20M
7:34/mi
2:30:14
↑ 64↓ 500.2%
21M
7:38/mi
2:37:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:43:13
↑ 17↓ 861.7%
23M
7:09/mi
2:52:10
↑ 23↓ 630.6%
24M
6:49/mi
2:58:59
↓ 821.3%
40K· 24.85 mi
6:49/mi
3:04:49
↓ 200.3%
25.2M
7:09/mi
3:07:17
↑ 13↓ 160.2%
Finish· 26.22 mi
6:15/mi
3:13:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:23
Pace7:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3824:087:4624:08
7:46
-
10K
6.21 mi11:18:5947:297:3923:21
7:31
-0:15
15K
9.32 mi11:41:531:10:237:3322:54
7:22
-0:09
20K
12.43 mi12:04:551:33:257:3123:02
7:25
+0:03
Half
13.11 mi12:09:531:38:237:304:58
7:17
-0:08
25K
15.53 mi12:27:451:56:157:2917:52
7:22
+0:05
30K
18.64 mi12:51:272:19:577:3023:42
7:38
+0:16
20M
20.00 mi13:01:442:30:147:3110:17
7:34
-0:04
21M
21.00 mi13:09:222:37:527:317:38
7:38
+0:04
35K
21.75 mi13:14:432:43:137:305:21
7:09
-0:29
23M
23.00 mi13:23:402:52:107:298:57
7:09
0:00
24M
24.00 mi13:30:292:58:597:276:49
6:49
-0:20
40K
24.85 mi13:36:193:04:497:265:50
6:49
0:00
25.2M
25.20 mi13:38:473:07:177:262:28
7:09
+0:20
Finish
26.22 mi13:45:093:13:397:236:22
6:15
-0:54

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

6:15 /mi

Average Pace

7:23 /mi

Slowest Pace

7:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:47

18% of race

Time at Steady Pace

1:32:07

48% of race

Time at Slower Pace

1:05:45

34% of race

Average Pace: 7:23 /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 mi10:55:3824:087:4624:08
7:46
#14513
10K
6.21 mi11:18:5947:297:3923:21
7:31
#13403
15K
9.32 mi11:41:531:10:237:3322:54
7:22
#12447
20K
12.43 mi12:04:551:33:257:3123:02
7:25
#11784
Half
13.11 mi12:09:531:38:237:304:58
7:17
#11682
25K
15.53 mi12:27:451:56:157:2917:52
7:22
#11198
30K
18.64 mi12:51:272:19:577:3023:42
7:38
#10655
20M
20.00 mi13:01:442:30:147:3110:17
7:34
#10351
21M
21.00 mi13:09:222:37:527:317:38
7:38
#9967
35K
21.75 mi13:14:432:43:137:305:21
7:09
#9781
23M
23.00 mi13:23:402:52:107:298:57
7:09
#9373
24M
24.00 mi13:30:292:58:597:276:49
6:49
#9009
40K
24.85 mi13:36:193:04:497:265:50
6:49
#8683
25.2M
25.20 mi13:38:473:07:177:262:28
7:09
#8507
Finish
26.22 mi13:45:093:13:397:236:22
6:15
#8110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi145134219421910603(Top 37%)2168(Top 18%)2168(Top 40%)
10K6.21 mi3.10 mi13403+11103588+6313588+63112253(Top 43%)2950(Top 24%)2950(Top 54%)
15K9.32 mi3.11 mi12447+9563073+5153073+51510603(Top 37%)2168(Top 18%)2168(Top 40%)
20K12.43 mi3.11 mi11784+6632754+3192754+31910022(Top 35%)1967(Top 16%)1967(Top 36%)
Half13.11 mi0.68 mi11682+1022703+512703+519847(Top 35%)1863(Top 15%)1863(Top 34%)
25K15.53 mi2.42 mi11198+4842488+2152488+2158907(Top 31%)1591(Top 13%)1591(Top 29%)
30K18.64 mi3.11 mi10655+5432286+2022286+2028668(Top 31%)1678(Top 14%)1678(Top 31%)
20M20.00 mi1.36 mi10351+3042173+1132173+1137479(Top 26%)1336(Top 11%)1336(Top 24%)
21M21.00 mi1.00 mi9967+3842011+1622011+1625334(Top 19%)709(Top 6%)709(Top 13%)
35K21.75 mi0.75 mi9781+1861945+661945+666346(Top 22%)1054(Top 9%)1054(Top 19%)
23M23.00 mi1.25 mi9373+4081802+1431802+1434625(Top 16%)570(Top 5%)570(Top 10%)
24M24.00 mi1.00 mi9009+3641677+1251677+1253651(Top 13%)391(Top 3%)391(Top 7%)
40K24.85 mi0.85 mi8683+3261583+941583+942999(Top 11%)293(Top 2%)293(Top 5%)
25.2M25.20 mi0.35 mi8507+1761525+581525+582047(Top 7%)197(Top 2%)197(Top 4%)
Finish26.22 mi1.02 mi8110+3971398+1271398+1271722(Top 6%)122(Top 1.0%)122(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10603

Females

2168

F18-39

2168

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12253

Females

2950

F18-39

2950

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10603

Females

2168

F18-39

2168

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

10022

Females

1967

F18-39

1967

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9847

Females

1863

F18-39

1863

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8907

Females

1591

F18-39

1591

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8668

Females

1678

F18-39

1678

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7479

Females

1336

F18-39

1336

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5334

Females

709

F18-39

709

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6346

Females

1054

F18-39

1054

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4625

Females

570

F18-39

570

23M→24M

23.0 - 24.0 mi

Top 13%
×6story building
+12ft-82ft

Overall

3651

Females

391

F18-39

391

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2999

Females

293

F18-39

293

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2047

Females

197

F18-39

197

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1722

Females

122

F18-39

122

Passing Analysis

Category:
Athletes Passed
6494*
Passed By
91
Net Change
+6403
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14513
5K → 10K113929+1110#14513#13403
10K → 15K9615+956#13403#12447
15K → 20K67411+663#12447#11784
20K → Half1031+102#11784#11682
Half → 25K4862+484#11682#11198
25K → 30K57330+543#11198#10655
30K → 20M3117+304#10655#10351
20M → 21M384*0+384#10351#9967
21M → 35K1904+186#9967#9781
35K → 23M4080+408#9781#9373
23M → 24M3651+364#9373#9009
24M → 40K3271+326#9009#8683
40K → 25.2M1760+176#8683#8507
25.2M → Finish3970+397#8507#8110
TOTALS6494*91+6403

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

📊

Passing Visuals

Category:
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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