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BOSTON MARATHON 2025

Koryn Ternes

Bib: 5349•F

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:08
Rank: #3714
Start → 5K
20:08 | 6:29/mi
10K· 6.21 mi
40:17
Rank: #3664 (+50)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:28
Rank: #3609 (+55)
10K → 15K
20:11 | 6:30/mi
20K· 12.43 mi
1:20:54
Rank: #3590 (+19)
15K → 20K
20:26 | 6:35/mi
Half· 13.11 mi
1:25:20
Rank: #3595 (-5)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:27
Rank: #3588 (+7)
Half → 25K
16:07 | 6:39/mi
30K· 18.64 mi
2:02:48
Rank: #3588
25K → 30K
21:21 | 6:52/mi
20M
2:12:16
Rank: #3566 (+22)
30K → 20M
9:28 | 6:58/mi
21M
2:19:42
Rank: #3569 (-3)
20M → 21M
7:26 | 7:26/mi
35K· 21.75 mi
2:24:43
Rank: #3540 (+29)
21M → 35K
5:01 | 6:42/mi
23M
2:33:42
Rank: #3577 (-37)
35K → 23M
8:59 | 7:10/mi
24M
2:40:40
Rank: #3564 (+13)
23M → 24M
6:58 | 6:58/mi
40K· 24.85 mi
2:46:48
Rank: #3595 (-31)
24M → 40K
6:08 | 7:10/mi
25.2M
2:49:33
Rank: #3611 (-16)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:56:43
Rank: #3674 (-63)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:20
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0820:086:2920:08
6:29
-
10K
6.21 mi10:44:1740:176:2920:09
6:29
0:00
15K
9.32 mi11:04:281:00:286:2920:11
6:30
+0:01
20K
12.43 mi11:24:541:20:546:3120:26
6:35
+0:05
Half
13.11 mi11:29:201:25:206:314:26
6:30
-0:05
25K
15.53 mi11:45:271:41:276:3216:07
6:39
+0:09
30K
18.64 mi12:06:482:02:486:3521:21
6:52
+0:13
20M
20.00 mi12:16:162:12:166:379:28
6:58
+0:06
21M
21.00 mi12:23:422:19:426:397:26
7:26
+0:28
35K
21.75 mi12:28:432:24:436:395:01
6:42
-0:44
23M
23.00 mi12:37:422:33:426:418:59
7:10
+0:28
24M
24.00 mi12:44:402:40:406:426:58
6:58
-0:12
40K
24.85 mi12:50:482:46:486:436:08
7:10
+0:12
25.2M
25.20 mi12:53:332:49:336:442:45
7:58
+0:48
Finish
26.22 mi13:00:432:56:436:457:10
7:02
-0:56

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

6:29 /mi

Average Pace

6:45 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:27

57% of race

Time at Steady Pace

49:58

28% of race

Time at Slower Pace

25:18

14% of race

Average Pace: 6:44 /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 mi10:24:0820:086:2920:08
6:29
#3714
10K
6.21 mi10:44:1740:176:2920:09
6:29
#3664
15K
9.32 mi11:04:281:00:286:2920:11
6:30
#3609
20K
12.43 mi11:24:541:20:546:3120:26
6:35
#3590
Half
13.11 mi11:29:201:25:206:314:26
6:30
#3595
25K
15.53 mi11:45:271:41:276:3216:07
6:39
#3588
30K
18.64 mi12:06:482:02:486:3521:21
6:52
#3588
20M
20.00 mi12:16:162:12:166:379:28
6:58
#3566
21M
21.00 mi12:23:422:19:426:397:26
7:26
#3569
35K
21.75 mi12:28:432:24:436:395:01
6:42
#3540
23M
23.00 mi12:37:422:33:426:418:59
7:10
#3577
24M
24.00 mi12:44:402:40:406:426:58
6:58
#3564
40K
24.85 mi12:50:482:46:486:436:08
7:10
#3595
25.2M
25.20 mi12:53:332:49:336:442:45
7:58
#3611
Finish
26.22 mi13:00:432:56:436:457:10
7:02
#3674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi37141901903561(Top 13%)188(Top 2%)188(Top 3%)
10K6.21 mi3.10 mi3664+50185+5185+53625(Top 13%)190(Top 2%)190(Top 3%)
15K9.32 mi3.11 mi3609+551851853561(Top 13%)188(Top 2%)188(Top 3%)
20K12.43 mi3.11 mi3590+19184+1184+13575(Top 13%)187(Top 2%)187(Top 3%)
Half13.11 mi0.68 mi3595-5183+1183+13737(Top 13%)204(Top 2%)204(Top 4%)
25K15.53 mi2.42 mi3588+7187-4187-43792(Top 13%)228(Top 2%)228(Top 4%)
30K18.64 mi3.11 mi3588191-4191-43912(Top 14%)295(Top 2%)295(Top 5%)
20M20.00 mi1.36 mi3566+22193-2193-23936(Top 14%)311(Top 3%)311(Top 6%)
21M21.00 mi1.00 mi3569-3196-3196-34303(Top 15%)432(Top 4%)432(Top 8%)
35K21.75 mi0.75 mi3540+29199-3199-33602(Top 13%)326(Top 3%)326(Top 6%)
23M23.00 mi1.25 mi3577-37209-10209-104745(Top 17%)594(Top 5%)594(Top 11%)
24M24.00 mi1.00 mi3564+13212-3212-34461(Top 16%)567(Top 5%)567(Top 10%)
40K24.85 mi0.85 mi3595-31229-17229-174931(Top 17%)745(Top 6%)745(Top 14%)
25.2M25.20 mi0.35 mi3611-16233-4233-45833(Top 21%)1159(Top 9%)1159(Top 21%)
Finish26.22 mi1.02 mi3674-63246-13246-135961(Top 21%)1224(Top 10%)1224(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3561

Females

188

F18-39

188

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3625

Females

190

F18-39

190

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3561

Females

188

F18-39

188

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3575

Females

187

F18-39

187

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3737

Females

204

F18-39

204

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3792

Females

228

F18-39

228

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3912

Females

295

F18-39

295

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3936

Females

311

F18-39

311

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4303

Females

432

F18-39

432

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3602

Females

326

F18-39

326

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4745

Females

594

F18-39

594

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4461

Females

567

F18-39

567

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4931

Females

745

F18-39

745

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5833

Females

1159

F18-39

1159

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5961

Females

1224

F18-39

1224

Passing Analysis

Category:
Athletes Passed
959
Passed By
919
Net Change
+40
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3714
5K → 10K162112+50#3714#3664
10K → 15K13176+55#3664#3609
15K → 20K10485+19#3609#3590
20K → Half1924-5#3590#3595
Half → 25K8073+7#3595#3588
25K → 30K1041040#3588#3588
30K → 20M6745+22#3588#3566
20M → 21M4346-3#3566#3569
21M → 35K4920+29#3569#3540
35K → 23M4986-37#3540#3577
23M → 24M6148+13#3577#3564
24M → 40K3869-31#3564#3595
40K → 25.2M2137-16#3595#3611
25.2M → Finish3194-63#3611#3674
TOTALS959919+40
📊

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