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BOSTON MARATHON 2025

Donna Kay-Ness

Bib: 25165•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
Masters (Masters Women)
#0 / 6759
Top 25%
Division (F60-64)
#0 / 624
Top 3%
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
7:53/mi
24:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
49:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:15:34
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:46:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:06:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:33:03
↑ 181↓ 1480.2%
20M
8:25/mi
2:44:29
↑ 64↓ 500.2%
21M
8:46/mi
2:53:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:59:22
↑ 17↓ 861.7%
23M
8:24/mi
3:09:53
↑ 23↓ 630.6%
24M
8:06/mi
3:17:59
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:24:58
↓ 200.3%
25.2M
8:51/mi
3:28:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:35:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:42
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:49:13
Pace8:20 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:0324:287:5324:28
7:53
-
10K
6.21 mi11:52:2649:518:0125:23
8:10
+0:17
15K
9.32 mi12:18:091:15:348:0625:43
8:17
+0:07
20K
12.43 mi12:43:461:41:118:0925:37
8:15
-0:02
Half
13.11 mi12:49:171:46:428:085:31
8:05
-0:10
25K
15.53 mi13:09:142:06:398:0919:57
8:14
+0:09
30K
18.64 mi13:35:382:33:038:1326:24
8:30
+0:16
20M
20.00 mi13:47:042:44:298:1311:26
8:25
-0:05
21M
21.00 mi13:55:502:53:158:158:46
8:46
+0:21
35K
21.75 mi14:01:572:59:228:156:07
8:11
-0:35
23M
23.00 mi14:12:283:09:538:1510:31
8:24
+0:13
24M
24.00 mi14:20:343:17:598:158:06
8:06
-0:18
40K
24.85 mi14:27:333:24:588:156:59
8:10
+0:04
25.2M
25.20 mi14:30:363:28:018:153:03
8:51
+0:41
Finish
26.22 mi14:38:303:35:558:147:54
7:45
-1:06

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

7:45 /mi

Average Pace

8:14 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:06

95% of race

Time at Steady Pace

11:49

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:27:0324:287:5324:28
7:53
#15482
10K
6.21 mi11:52:2649:518:0125:23
8:10
#16699
15K
9.32 mi12:18:091:15:348:0625:43
8:17
#17140
20K
12.43 mi12:43:461:41:118:0925:37
8:15
#16984
Half
13.11 mi12:49:171:46:428:085:31
8:05
#16950
25K
15.53 mi13:09:142:06:398:0919:57
8:14
#16664
30K
18.64 mi13:35:382:33:038:1326:24
8:30
#16282
20M
20.00 mi13:47:042:44:298:1311:26
8:25
#16037
21M
21.00 mi13:55:502:53:158:158:46
8:46
#15755
35K
21.75 mi14:01:572:59:228:156:07
8:11
#15637
23M
23.00 mi14:12:283:09:538:1510:31
8:24
#15428
24M
24.00 mi14:20:343:17:598:158:06
8:06
#15253
40K
24.85 mi14:27:333:24:588:156:59
8:10
#15081
25.2M
25.20 mi14:30:363:28:018:153:03
8:51
#14984
Finish
26.22 mi14:38:303:35:558:147:54
7:45
#14809
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi154824823482317897(Top 63%)6250(Top 51%)6250(Top 1002%)
10K6.21 mi3.10 mi16699-12175551-7285551-72817694(Top 62%)6110(Top 50%)6110(Top 979%)
15K9.32 mi3.11 mi17140-4415791-2405791-24017897(Top 63%)6250(Top 51%)6250(Top 1002%)
20K12.43 mi3.11 mi16984+1565730+615730+6116596(Top 58%)5541(Top 45%)5541(Top 888%)
Half13.11 mi0.68 mi16950+345713+175713+1716546(Top 58%)5492(Top 45%)5492(Top 880%)
25K15.53 mi2.42 mi16664+2865564+1495564+14915485(Top 55%)5011(Top 41%)5011(Top 803%)
30K18.64 mi3.11 mi16282+3825402+1625402+16214740(Top 52%)4762(Top 39%)4762(Top 763%)
20M20.00 mi1.36 mi16037+2455286+1165286+11613274(Top 47%)4135(Top 34%)4135(Top 663%)
21M21.00 mi1.00 mi15755+2825167+1195167+11912132(Top 43%)3677(Top 30%)3677(Top 589%)
35K21.75 mi0.75 mi15637+1185113+545113+5413513(Top 48%)4444(Top 36%)4444(Top 712%)
23M23.00 mi1.25 mi15428+2095032+815032+8112721(Top 45%)4119(Top 34%)4119(Top 660%)
24M24.00 mi1.00 mi15253+1754951+814951+8111954(Top 42%)3793(Top 31%)3793(Top 608%)
40K24.85 mi0.85 mi15081+1724884+674884+6711411(Top 40%)3620(Top 30%)3620(Top 580%)
25.2M25.20 mi0.35 mi14984+974843+414843+4111030(Top 39%)3524(Top 29%)3524(Top 565%)
Finish26.22 mi1.02 mi14809+1754760+834760+8311142(Top 39%)3540(Top 29%)3540(Top 567%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

17897

Females

6250

F60-64

6250

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17694

Females

6110

F60-64

6110

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

17897

Females

6250

F60-64

6250

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16596

Females

5541

F60-64

5541

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16546

Females

5492

F60-64

5492

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15485

Females

5011

F60-64

5011

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14740

Females

4762

F60-64

4762

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13274

Females

4135

F60-64

4135

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12132

Females

3677

F60-64

3677

21M→35K

21.0 - 21.8 mi

Top 48%
×7story building
+17ft-86ft

Overall

13513

Females

4444

F60-64

4444

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

12721

Females

4119

F60-64

4119

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11954

Females

3793

F60-64

3793

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11411

Females

3620

F60-64

3620

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11030

Females

3524

F60-64

3524

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11142

Females

3540

F60-64

3540

Passing Analysis

Category:
Athletes Passed
2749
Passed By
2076
Net Change
+673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15482
5K → 10K501267-1217#15482#16699
10K → 15K92533-441#16699#17140
15K → 20K266110+156#17140#16984
20K → Half5117+34#16984#16950
Half → 25K31832+286#16950#16664
25K → 30K43351+382#16664#16282
30K → 20M25510+245#16282#16037
20M → 21M2875+282#16037#15755
21M → 35K1257+118#15755#15637
35K → 23M22415+209#15637#15428
23M → 24M1838+175#15428#15253
24M → 40K1808+172#15253#15081
40K → 25.2M1003+97#15081#14984
25.2M → Finish18510+175#14984#14809
TOTALS27492076+673
📊

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