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BOSTON MARATHON 2025

Karine Baldacchino

Bib: 30936•F

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
11:26/mi
35:30
↑ 97↓ 3451.5%
10K· 6.21 mi
11:35/mi
1:11:29
↑ 79↓ 1380.4%
15K· 9.32 mi
11:27/mi
1:47:04
↑ 67↓ 78
20K· 12.43 mi
11:35/mi
2:23:02
↑ 106↓ 860.1%
Half· 13.11 mi
11:30/mi
2:30:53
↑ 19↓ 370.5%
25K· 15.53 mi
11:34/mi
2:58:55
↑ 66↓ 880.2%
30K· 18.64 mi
11:54/mi
3:35:52
↑ 181↓ 1480.2%
20M
11:53/mi
3:52:01
↑ 64↓ 500.2%
21M
13:13/mi
4:05:14
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
4:13:25
↑ 17↓ 861.7%
23M
11:34/mi
4:27:54
↑ 23↓ 630.6%
24M
11:15/mi
4:39:09
↓ 821.3%
40K· 24.85 mi
11:56/mi
4:49:21
↓ 200.3%
25.2M
13:17/mi
4:53:56
↑ 13↓ 160.2%
Finish· 26.22 mi
11:50/mi
5:06:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:30:53
Pace11:31 /mi
2nd Half
Distance13.11 mi
Time2:35:07
Pace11:50 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4835:3011:2635:30
11:26
-
10K
6.21 mi12:33:471:11:2911:3035:59
11:35
+0:09
15K
9.32 mi13:09:221:47:0411:2935:35
11:27
-0:08
20K
12.43 mi13:45:202:23:0211:3135:58
11:35
+0:08
Half
13.11 mi13:53:112:30:5311:317:51
11:30
-0:05
25K
15.53 mi14:21:132:58:5511:3128:02
11:34
+0:04
30K
18.64 mi14:58:103:35:5211:3536:57
11:54
+0:20
20M
20.00 mi15:14:193:52:0111:3616:09
11:53
-0:01
21M
21.00 mi15:27:324:05:1411:4113:13
13:13
+1:20
35K
21.75 mi15:35:434:13:2511:398:11
10:56
-2:17
23M
23.00 mi15:50:124:27:5411:3914:29
11:34
+0:38
24M
24.00 mi16:01:274:39:0911:3811:15
11:15
-0:19
40K
24.85 mi16:11:394:49:2111:3810:12
11:56
+0:41
25.2M
25.20 mi16:16:144:53:5611:404:35
13:17
+1:21
Finish
26.22 mi16:28:185:06:0011:4112:04
11:50
-1:27

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

10:56 /mi

Average Pace

11:41 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:26

6% of race

Time at Steady Pace

3:41:37

72% of race

Time at Slower Pace

1:04:57

21% of race

Average Pace: 11:40 /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 mi11:57:4835:3011:2635:30
11:26
#27955
10K
6.21 mi12:33:471:11:2911:3035:59
11:35
#27821
15K
9.32 mi13:09:221:47:0411:2935:35
11:27
#27608
20K
12.43 mi13:45:202:23:0211:3135:58
11:35
#27395
Half
13.11 mi13:53:112:30:5311:317:51
11:30
#27372
25K
15.53 mi14:21:132:58:5511:3128:02
11:34
#27132
30K
18.64 mi14:58:103:35:5211:3536:57
11:54
#26879
20M
20.00 mi15:14:193:52:0111:3616:09
11:53
#26771
21M
21.00 mi15:27:324:05:1411:4113:13
13:13
#26714
35K
21.75 mi15:35:434:13:2511:398:11
10:56
#26636
23M
23.00 mi15:50:124:27:5411:3914:29
11:34
#26529
24M
24.00 mi16:01:274:39:0911:3811:15
11:15
#26465
40K
24.85 mi16:11:394:49:2111:3810:12
11:56
#26424
25.2M
25.20 mi16:16:144:53:5611:404:35
13:17
#26413
Finish
26.22 mi16:28:185:06:0011:4112:04
11:50
#26439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi27955119321193227195(Top 96%)11489(Top 94%)11489(Top 882%)
10K6.21 mi3.10 mi27821+13411841+9111841+9127670(Top 97%)11763(Top 96%)11763(Top 903%)
15K9.32 mi3.11 mi27608+21311723+11811723+11827195(Top 96%)11489(Top 94%)11489(Top 882%)
20K12.43 mi3.11 mi27395+21311594+12911594+12926711(Top 94%)11221(Top 92%)11221(Top 861%)
Half13.11 mi0.68 mi27372+2311588+611588+627045(Top 95%)11445(Top 94%)11445(Top 878%)
25K15.53 mi2.42 mi27132+24011458+13011458+13025939(Top 91%)10832(Top 89%)10832(Top 831%)
30K18.64 mi3.11 mi26879+25311328+13011328+13025440(Top 90%)10642(Top 87%)10642(Top 817%)
20M20.00 mi1.36 mi26771+10811274+5411274+5425090(Top 88%)10529(Top 86%)10529(Top 808%)
21M21.00 mi1.00 mi26714+5711247+2711247+2725325(Top 89%)10728(Top 88%)10728(Top 823%)
35K21.75 mi0.75 mi26636+7811213+3411213+3424060(Top 85%)10100(Top 83%)10100(Top 775%)
23M23.00 mi1.25 mi26529+10711168+4511168+4524362(Top 86%)10278(Top 84%)10278(Top 789%)
24M24.00 mi1.00 mi26465+6411131+3711131+3724469(Top 86%)10365(Top 85%)10365(Top 795%)
40K24.85 mi0.85 mi26424+4111115+1611115+1624798(Top 87%)10579(Top 87%)10579(Top 812%)
25.2M25.20 mi0.35 mi26413+1111112+311112+325380(Top 89%)10883(Top 89%)10883(Top 835%)
Finish26.22 mi1.02 mi26439-2611134-2211134-2226594(Top 94%)11429(Top 93%)11429(Top 877%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27195

Females

11489

F50-54

11489

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27670

Females

11763

F50-54

11763

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27195

Females

11489

F50-54

11489

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26711

Females

11221

F50-54

11221

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

27045

Females

11445

F50-54

11445

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25939

Females

10832

F50-54

10832

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25440

Females

10642

F50-54

10642

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

25090

Females

10529

F50-54

10529

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25325

Females

10728

F50-54

10728

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24060

Females

10100

F50-54

10100

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24362

Females

10278

F50-54

10278

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24469

Females

10365

F50-54

10365

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24798

Females

10579

F50-54

10579

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25380

Females

10883

F50-54

10883

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26594

Females

11429

F50-54

11429

Passing Analysis

Category:
Athletes Passed
1671
Passed By
155
Net Change
+1516
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27955
5K → 10K16228+134#27955#27821
10K → 15K22815+213#27821#27608
15K → 20K2196+213#27608#27395
20K → Half296+23#27395#27372
Half → 25K2488+240#27372#27132
25K → 30K2596+253#27132#26879
30K → 20M1113+108#26879#26771
20M → 21M7013+57#26771#26714
21M → 35K813+78#26714#26636
35K → 23M1136+107#26636#26529
23M → 24M684+64#26529#26465
24M → 40K498+41#26465#26424
40K → 25.2M187+11#26424#26413
25.2M → Finish1642-26#26413#26439
TOTALS1671155+1516
📊

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