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BOSTON MARATHON 2025

Juka Smits

Bib: 23970•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:06
Rank: #22623
Start → 5K
28:06 | 9:03/mi
10K· 6.21 mi
57:35
Rank: #23443 (-820)
5K → 10K
29:29 | 9:29/mi
15K· 9.32 mi
1:27:38
Rank: #23757 (-314)
10K → 15K
30:03 | 9:40/mi
20K· 12.43 mi
2:00:23
Rank: #24273 (-516)
15K → 20K
32:45 | 10:32/mi
Half· 13.11 mi
2:06:52
Rank: #24245 (+28)
20K → Half
6:29 | 9:30/mi
25K· 15.53 mi
2:33:19
Rank: #24423 (-178)
Half → 25K
26:27 | 10:55/mi
30K· 18.64 mi
3:04:18
Rank: #23916 (+507)
25K → 30K
30:59 | 9:58/mi
20M
3:17:50
Rank: #23705 (+211)
30K → 20M
13:32 | 9:58/mi
21M
3:28:25
Rank: #23512 (+193)
20M → 21M
10:35 | 10:35/mi
35K· 21.75 mi
3:36:25
Rank: #23509 (+3)
21M → 35K
8:00 | 10:42/mi
23M
3:49:19
Rank: #23390 (+119)
35K → 23M
12:54 | 10:18/mi
24M
3:59:55
Rank: #23379 (+11)
23M → 24M
10:36 | 10:36/mi
40K· 24.85 mi
4:08:41
Rank: #23278 (+101)
24M → 40K
8:46 | 10:15/mi
25.2M
4:12:25
Rank: #23236 (+42)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:22:43
Rank: #23240 (-4)
25.2M → Finish
10:18 | 10:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:52
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:15:51
Pace10:22 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4128:069:0328:06
9:03
-
10K
6.21 mi11:56:1057:359:1629:29
9:29
+0:26
15K
9.32 mi12:26:131:27:389:2430:03
9:40
+0:11
20K
12.43 mi12:58:582:00:239:4132:45
10:32
+0:52
Half
13.11 mi13:05:272:06:529:416:29
9:30
-1:02
25K
15.53 mi13:31:542:33:199:5226:27
10:55
+1:25
30K
18.64 mi14:02:533:04:189:5330:59
9:58
-0:57
20M
20.00 mi14:16:253:17:509:5313:32
9:58
0:00
21M
21.00 mi14:27:003:28:259:5510:35
10:35
+0:37
35K
21.75 mi14:35:003:36:259:578:00
10:42
+0:07
23M
23.00 mi14:47:543:49:199:5812:54
10:18
-0:24
24M
24.00 mi14:58:303:59:5510:0010:36
10:36
+0:18
40K
24.85 mi15:07:164:08:4110:008:46
10:15
-0:21
25.2M
25.20 mi15:11:004:12:2510:013:44
10:50
+0:35
Finish
26.22 mi15:21:184:22:4310:0210:18
10:06
-0:44

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

9:03 /mi

Average Pace

10:02 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:38

53% of race

Time at Steady Pace

31:58

12% of race

Time at Slower Pace

1:32:07

35% of race

Average Pace: 10:01 /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 mi11:26:4128:069:0328:06
9:03
#22623
10K
6.21 mi11:56:1057:359:1629:29
9:29
#23443
15K
9.32 mi12:26:131:27:389:2430:03
9:40
#23757
20K
12.43 mi12:58:582:00:239:4132:45
10:32
#24273
Half
13.11 mi13:05:272:06:529:416:29
9:30
#24245
25K
15.53 mi13:31:542:33:199:5226:27
10:55
#24423
30K
18.64 mi14:02:533:04:189:5330:59
9:58
#23916
20M
20.00 mi14:16:253:17:509:5313:32
9:58
#23705
21M
21.00 mi14:27:003:28:259:5510:35
10:35
#23512
35K
21.75 mi14:35:003:36:259:578:00
10:42
#23509
23M
23.00 mi14:47:543:49:199:5812:54
10:18
#23390
24M
24.00 mi14:58:303:59:5510:0010:36
10:36
#23379
40K
24.85 mi15:07:164:08:4110:008:46
10:15
#23278
25.2M
25.20 mi15:11:004:12:2510:013:44
10:50
#23236
Finish
26.22 mi15:21:184:22:4310:0210:18
10:06
#23240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi226238974897424201(Top 85%)9784(Top 80%)9784(Top 984%)
10K6.21 mi3.10 mi23443-8209388-4149388-41424083(Top 85%)9731(Top 80%)9731(Top 979%)
15K9.32 mi3.11 mi23757-3149549-1619549-16124201(Top 85%)9784(Top 80%)9784(Top 984%)
20K12.43 mi3.11 mi24273-5169845-2969845-29625266(Top 89%)10412(Top 85%)10412(Top 1047%)
Half13.11 mi0.68 mi24245+289833+129833+1223600(Top 83%)9487(Top 78%)9487(Top 954%)
25K15.53 mi2.42 mi24423-1789939-1069939-10625077(Top 88%)10333(Top 85%)10333(Top 1040%)
30K18.64 mi3.11 mi23916+5079684+2559684+25521529(Top 76%)8515(Top 70%)8515(Top 857%)
20M20.00 mi1.36 mi23705+2119600+849600+8420815(Top 73%)8261(Top 68%)8261(Top 831%)
21M21.00 mi1.00 mi23512+1939505+959505+9520292(Top 71%)8075(Top 66%)8075(Top 812%)
35K21.75 mi0.75 mi23509+39516-119516-1123580(Top 83%)9846(Top 81%)9846(Top 991%)
23M23.00 mi1.25 mi23390+1199466+509466+5021442(Top 75%)8787(Top 72%)8787(Top 884%)
24M24.00 mi1.00 mi23379+119481-159481-1523090(Top 81%)9683(Top 79%)9683(Top 974%)
40K24.85 mi0.85 mi23278+1019448+339448+3321268(Top 75%)8808(Top 72%)8808(Top 886%)
25.2M25.20 mi0.35 mi23236+429434+149434+1420177(Top 71%)8267(Top 68%)8267(Top 832%)
Finish26.22 mi1.02 mi23240-49445-119445-1123253(Top 82%)9795(Top 80%)9795(Top 985%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24201

Females

9784

F55-59

9784

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24083

Females

9731

F55-59

9731

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24201

Females

9784

F55-59

9784

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25266

Females

10412

F55-59

10412

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23600

Females

9487

F55-59

9487

Half→25K

13.1 - 15.5 mi

Top 88%
×4stories
+66ft-88ft

Overall

25077

Females

10333

F55-59

10333

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21529

Females

8515

F55-59

8515

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20815

Females

8261

F55-59

8261

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20292

Females

8075

F55-59

8075

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23580

Females

9846

F55-59

9846

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21442

Females

8787

F55-59

8787

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

23090

Females

9683

F55-59

9683

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21268

Females

8808

F55-59

8808

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20177

Females

8267

F55-59

8267

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23253

Females

9795

F55-59

9795

Passing Analysis

Category:
Athletes Passed
1606
Passed By
2223
Net Change
-617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22623
5K → 10K41861-820#22623#23443
10K → 15K86400-314#23443#23757
15K → 20K27543-516#23757#24273
20K → Half368+28#24273#24245
Half → 25K66244-178#24245#24423
25K → 30K5147+507#24423#23916
30K → 20M2209+211#23916#23705
20M → 21M1952+193#23705#23512
21M → 35K4441+3#23512#23509
35K → 23M13314+119#23509#23390
23M → 24M5645+11#23390#23379
24M → 40K1098+101#23379#23278
40K → 25.2M420+42#23278#23236
25.2M → Finish3741-4#23236#23240
TOTALS16062223-617
📊

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