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BOSTON MARATHON 2025

Nicole Kala

Bib: 11256•F

FL

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

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
7:12/mi
22:21
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:54
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:04:58
↑ 67↓ 78
20K· 12.43 mi
6:42/mi
1:25:47
↑ 106↓ 860.1%
Half· 13.11 mi
6:39/mi
1:30:19
↑ 19↓ 370.5%
25K· 15.53 mi
6:34/mi
1:46:15
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:07:19
↑ 181↓ 1480.2%
20M
6:49/mi
2:16:35
↑ 64↓ 500.2%
21M
7:03/mi
2:23:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:26/mi
2:28:27
↑ 17↓ 861.7%
23M
6:43/mi
2:36:51
↑ 23↓ 630.6%
24M
6:25/mi
2:43:16
↓ 821.3%
40K· 24.85 mi
6:26/mi
2:48:46
↓ 200.3%
25.2M
6:46/mi
2:51:06
↑ 13↓ 160.2%
Finish· 26.22 mi
6:04/mi
2:57:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:19
Pace6:53 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4322:217:1222:21
7:12
-
10K
6.21 mi11:11:1643:547:0421:33
6:56
-0:16
15K
9.32 mi11:32:201:04:586:5821:04
6:47
-0:09
20K
12.43 mi11:53:091:25:476:5420:49
6:42
-0:05
Half
13.11 mi11:57:411:30:196:534:32
6:39
-0:03
25K
15.53 mi12:13:371:46:156:5015:56
6:34
-0:05
30K
18.64 mi12:34:412:07:196:5021:04
6:47
+0:13
20M
20.00 mi12:43:572:16:356:509:16
6:49
+0:02
21M
21.00 mi12:51:002:23:386:507:03
7:03
+0:14
35K
21.75 mi12:55:492:28:276:504:49
6:26
-0:37
23M
23.00 mi13:04:132:36:516:498:24
6:43
+0:17
24M
24.00 mi13:10:382:43:166:486:25
6:25
-0:18
40K
24.85 mi13:16:082:48:466:475:30
6:26
+0:01
25.2M
25.20 mi13:18:282:51:066:472:20
6:46
+0:20
Finish
26.22 mi13:24:392:57:176:466:11
6:04
-0:42

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

6:04 /mi

Average Pace

6:46 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

43:23

24% of race

Time at Steady Pace

1:51:33

63% of race

Time at Slower Pace

22:21

13% of race

Average Pace: 6:46 /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 mi10:49:4322:217:1222:21
7:12
#9412
10K
6.21 mi11:11:1643:547:0421:33
6:56
#8393
15K
9.32 mi11:32:201:04:586:5821:04
6:47
#7569
20K
12.43 mi11:53:091:25:476:5420:49
6:42
#6843
Half
13.11 mi11:57:411:30:196:534:32
6:39
#6749
25K
15.53 mi12:13:371:46:156:5015:56
6:34
#6071
30K
18.64 mi12:34:412:07:196:5021:04
6:47
#5418
20M
20.00 mi12:43:572:16:356:509:16
6:49
#5180
21M
21.00 mi12:51:002:23:386:507:03
7:03
#4947
35K
21.75 mi12:55:492:28:276:504:49
6:26
#4767
23M
23.00 mi13:04:132:36:516:498:24
6:43
#4536
24M
24.00 mi13:10:382:43:166:486:25
6:25
#4329
40K
24.85 mi13:16:082:48:466:475:30
6:26
#4143
25.2M
25.20 mi13:18:282:51:066:472:20
6:46
#4048
Finish
26.22 mi13:24:392:57:176:466:11
6:04
#3827
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9412154915495922(Top 21%)515(Top 4%)515(Top 9%)
10K6.21 mi3.10 mi8393+10191140+4091140+4097523(Top 26%)843(Top 7%)843(Top 15%)
15K9.32 mi3.11 mi7569+824861+279861+2795922(Top 21%)515(Top 4%)515(Top 9%)
20K12.43 mi3.11 mi6843+726666+195666+1954455(Top 16%)290(Top 2%)290(Top 5%)
Half13.11 mi0.68 mi6749+94646+20646+204885(Top 17%)333(Top 3%)333(Top 6%)
25K15.53 mi2.42 mi6071+678542+104542+1043306(Top 12%)173(Top 1%)173(Top 3%)
30K18.64 mi3.11 mi5418+653436+106436+1063341(Top 12%)211(Top 2%)211(Top 4%)
20M20.00 mi1.36 mi5180+238409+27409+273089(Top 11%)213(Top 2%)213(Top 4%)
21M21.00 mi1.00 mi4947+233377+32377+322491(Top 9%)162(Top 1%)162(Top 3%)
35K21.75 mi0.75 mi4767+180358+19358+192217(Top 8%)138(Top 1%)138(Top 3%)
23M23.00 mi1.25 mi4536+231339+19339+192314(Top 8%)150(Top 1%)150(Top 3%)
24M24.00 mi1.00 mi4329+207321+18321+181754(Top 6%)113(Top 0.9%)113(Top 2%)
40K24.85 mi0.85 mi4143+186304+17304+171406(Top 5%)95(Top 0.8%)95(Top 2%)
25.2M25.20 mi0.35 mi4048+95292+12292+12943(Top 3%)72(Top 0.6%)72(Top 1%)
Finish26.22 mi1.02 mi3827+221269+23269+231126(Top 4%)68(Top 0.6%)68(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5922

Females

515

F18-39

515

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7523

Females

843

F18-39

843

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5922

Females

515

F18-39

515

15K→20K

9.3 - 12.4 mi

Top 16%
×5story building
+106ft-86ft

Overall

4455

Females

290

F18-39

290

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4885

Females

333

F18-39

333

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3306

Females

173

F18-39

173

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3341

Females

211

F18-39

211

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3089

Females

213

F18-39

213

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2491

Females

162

F18-39

162

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2217

Females

138

F18-39

138

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2314

Females

150

F18-39

150

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1754

Females

113

F18-39

113

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1406

Females

95

F18-39

95

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

943

Females

72

F18-39

72

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1126

Females

68

F18-39

68

Passing Analysis

Category:
Athletes Passed
5617
Passed By
32
Net Change
+5585
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9412
5K → 10K103011+1019#9412#8393
10K → 15K8273+824#8393#7569
15K → 20K7260+726#7569#6843
20K → Half951+94#6843#6749
Half → 25K6780+678#6749#6071
25K → 30K6563+653#6071#5418
30K → 20M2413+238#5418#5180
20M → 21M2385+233#5180#4947
21M → 35K1800+180#4947#4767
35K → 23M2343+231#4767#4536
23M → 24M2070+207#4536#4329
24M → 40K1860+186#4329#4143
40K → 25.2M950+95#4143#4048
25.2M → Finish2243+221#4048#3827
TOTALS561732+5585
📊

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