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BOSTON MARATHON 2025

Kristina Adams

Bib: 23956•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:28/mi
26:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
53:01
↑ 79↓ 1380.4%
15K· 9.32 mi
8:35/mi
1:19:41
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:46:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:52:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:57/mi
2:14:22
↑ 66↓ 880.2%
30K· 18.64 mi
9:40/mi
2:44:23
↑ 181↓ 1480.2%
20M
10:03/mi
2:58:03
↑ 64↓ 500.2%
21M
10:27/mi
3:08:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
3:15:48
↑ 17↓ 861.7%
23M
10:09/mi
3:28:30
↑ 23↓ 630.6%
24M
10:26/mi
3:38:56
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:47:11
↓ 200.3%
25.2M
10:21/mi
3:50:45
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
4:00:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:41
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time2:07:19
Pace9:43 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0326:188:2826:18
8:28
-
10K
6.21 mi11:50:4653:018:3226:43
8:36
+0:08
15K
9.32 mi12:17:261:19:418:3326:40
8:35
-0:01
20K
12.43 mi12:44:281:46:438:3527:02
8:42
+0:07
Half
13.11 mi12:50:261:52:418:365:58
8:45
+0:03
25K
15.53 mi13:12:072:14:228:3921:41
8:57
+0:12
30K
18.64 mi13:42:082:44:238:4930:01
9:40
+0:43
20M
20.00 mi13:55:482:58:038:5413:40
10:03
+0:23
21M
21.00 mi14:06:153:08:308:5910:27
10:27
+0:24
35K
21.75 mi14:13:333:15:489:007:18
9:45
-0:42
23M
23.00 mi14:26:153:28:309:0412:42
10:09
+0:24
24M
24.00 mi14:36:413:38:569:0710:26
10:26
+0:17
40K
24.85 mi14:44:563:47:119:088:15
9:39
-0:47
25.2M
25.20 mi14:48:303:50:459:093:34
10:21
+0:42
Finish
26.22 mi14:57:454:00:009:109:15
9:05
-1:16

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

8:28 /mi

Average Pace

9:10 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:37

60% of race

Time at Steady Pace

45:34

19% of race

Time at Slower Pace

50:49

21% of race

Average Pace: 9:09 /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 mi11:24:0326:188:2826:18
8:28
#19698
10K
6.21 mi11:50:4653:018:3226:43
8:36
#20036
15K
9.32 mi12:17:261:19:418:3326:40
8:35
#19979
20K
12.43 mi12:44:281:46:438:3527:02
8:42
#19810
Half
13.11 mi12:50:261:52:418:365:58
8:45
#19845
25K
15.53 mi13:12:072:14:228:3921:41
8:57
#19780
30K
18.64 mi13:42:082:44:238:4930:01
9:40
#19978
20M
20.00 mi13:55:482:58:038:5413:40
10:03
#20100
21M
21.00 mi14:06:153:08:308:5910:27
10:27
#20065
35K
21.75 mi14:13:333:15:489:007:18
9:45
#20148
23M
23.00 mi14:26:153:28:309:0412:42
10:09
#20214
24M
24.00 mi14:36:413:38:569:0710:26
10:26
#20392
40K
24.85 mi14:44:563:47:119:088:15
9:39
#20363
25.2M
25.20 mi14:48:303:50:459:093:34
10:21
#20348
Finish
26.22 mi14:57:454:00:009:109:15
9:05
#20349
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi196987328732819846(Top 70%)7362(Top 60%)7362(Top 565%)
10K6.21 mi3.10 mi20036-3387490-1627490-16220360(Top 72%)7672(Top 63%)7672(Top 589%)
15K9.32 mi3.11 mi19979+577452+387452+3819846(Top 70%)7362(Top 60%)7362(Top 565%)
20K12.43 mi3.11 mi19810+1697369+837369+8319431(Top 68%)7161(Top 59%)7161(Top 550%)
Half13.11 mi0.68 mi19845-357389-207389-2020673(Top 73%)7858(Top 64%)7858(Top 603%)
25K15.53 mi2.42 mi19780+657359+307359+3019671(Top 69%)7352(Top 60%)7352(Top 564%)
30K18.64 mi3.11 mi19978-1987513-1547513-15420577(Top 72%)7976(Top 65%)7976(Top 612%)
20M20.00 mi1.36 mi20100-1227606-937606-9321148(Top 74%)8438(Top 69%)8438(Top 648%)
21M21.00 mi1.00 mi20065+357612-67612-619863(Top 70%)7834(Top 64%)7834(Top 601%)
35K21.75 mi0.75 mi20148-837676-647676-6421200(Top 75%)8608(Top 70%)8608(Top 661%)
23M23.00 mi1.25 mi20214-667736-607736-6020946(Top 74%)8523(Top 70%)8523(Top 654%)
24M24.00 mi1.00 mi20392-1787846-1107846-11022640(Top 80%)9449(Top 77%)9449(Top 725%)
40K24.85 mi0.85 mi20363+297849-37849-319288(Top 68%)7779(Top 64%)7779(Top 597%)
25.2M25.20 mi0.35 mi20348+157848+17848+118497(Top 65%)7386(Top 60%)7386(Top 567%)
Finish26.22 mi1.02 mi20349-17863-157863-1519439(Top 68%)7839(Top 64%)7839(Top 602%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

19846

Females

7362

F50-54

7362

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20360

Females

7672

F50-54

7672

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

19846

Females

7362

F50-54

7362

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19431

Females

7161

F50-54

7161

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20673

Females

7858

F50-54

7858

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19671

Females

7352

F50-54

7352

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20577

Females

7976

F50-54

7976

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

21148

Females

8438

F50-54

8438

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

19863

Females

7834

F50-54

7834

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21200

Females

8608

F50-54

8608

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

20946

Females

8523

F50-54

8523

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22640

Females

9449

F50-54

9449

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19288

Females

7779

F50-54

7779

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18497

Females

7386

F50-54

7386

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19439

Females

7839

F50-54

7839

Passing Analysis

Category:
Athletes Passed
1465
Passed By
2116
Net Change
-651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19698
5K → 10K147485-338#19698#20036
10K → 15K216159+57#20036#19979
15K → 20K26798+169#19979#19810
20K → Half1752-35#19810#19845
Half → 25K192127+65#19845#19780
25K → 30K164362-198#19780#19978
30K → 20M70192-122#19978#20100
20M → 21M11277+35#20100#20065
21M → 35K35118-83#20065#20148
35K → 23M65131-66#20148#20214
23M → 24M15193-178#20214#20392
24M → 40K7950+29#20392#20363
40K → 25.2M2914+15#20363#20348
25.2M → Finish5758-1#20348#20349
TOTALS14652116-651
📊

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