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BOSTON MARATHON 2025

Katelyn Tocci

Bib: 12569•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F40-44)
#0 / 1718
Top 34%
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
6:59/mi
21:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:06:24
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:29:54
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:35:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:54:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:20:17
↑ 181↓ 1480.2%
20M
8:48/mi
2:32:14
↑ 64↓ 500.2%
21M
11:27/mi
2:43:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:49:47
↑ 17↓ 861.7%
23M
8:50/mi
3:00:50
↑ 23↓ 630.6%
24M
8:34/mi
3:09:24
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:17:05
↓ 200.3%
25.2M
9:52/mi
3:20:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:47/mi
3:29:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:06
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:54:20
Pace8:43 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1221:426:5921:42
6:59
-
10K
6.21 mi11:12:1343:437:0222:01
7:05
+0:06
15K
9.32 mi11:34:541:06:247:0722:41
7:18
+0:13
20K
12.43 mi11:58:241:29:547:1423:30
7:34
+0:16
Half
13.11 mi12:03:361:35:067:155:12
7:37
+0:03
25K
15.53 mi12:22:381:54:087:2119:02
7:51
+0:14
30K
18.64 mi12:48:472:20:177:3226:09
8:25
+0:34
20M
20.00 mi13:00:442:32:147:3711:57
8:48
+0:23
21M
21.00 mi13:12:112:43:417:4811:27
11:27
+2:39
35K
21.75 mi13:18:172:49:477:486:06
8:09
-3:18
23M
23.00 mi13:29:203:00:507:5211:03
8:50
+0:41
24M
24.00 mi13:37:543:09:247:548:34
8:34
-0:16
40K
24.85 mi13:45:353:17:057:567:41
8:59
+0:25
25.2M
25.20 mi13:48:593:20:297:573:24
9:52
+0:53
Finish
26.22 mi13:57:563:29:268:008:57
8:47
-1:05

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

6:59 /mi

Average Pace

8:00 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:08

54% of race

Time at Steady Pace

1:12:46

35% of race

Time at Slower Pace

22:32

11% of race

Average Pace: 7:59 /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 mi10:50:1221:426:5921:42
6:59
#7721
10K
6.21 mi11:12:1343:437:0222:01
7:05
#8143
15K
9.32 mi11:34:541:06:247:0722:41
7:18
#8702
20K
12.43 mi11:58:241:29:547:1423:30
7:34
#9297
Half
13.11 mi12:03:361:35:067:155:12
7:37
#9441
25K
15.53 mi12:22:381:54:087:2119:02
7:51
#9977
30K
18.64 mi12:48:472:20:177:3226:09
8:25
#10817
20M
20.00 mi13:00:442:32:147:3711:57
8:48
#11187
21M
21.00 mi13:12:112:43:417:4811:27
11:27
#12264
35K
21.75 mi13:18:172:49:477:486:06
8:09
#12273
23M
23.00 mi13:29:203:00:507:5211:03
8:50
#12464
24M
24.00 mi13:37:543:09:247:548:34
8:34
#12579
40K
24.85 mi13:45:353:17:057:567:41
8:59
#12725
25.2M
25.20 mi13:48:593:20:297:573:24
9:52
#12803
Finish
26.22 mi13:57:563:29:268:008:57
8:47
#13062
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi772189789710020(Top 35%)1899(Top 16%)1899(Top 111%)
10K6.21 mi3.10 mi8143-4221051-1541051-1548580(Top 30%)1214(Top 10%)1214(Top 71%)
15K9.32 mi3.11 mi8702-5591271-2201271-22010020(Top 35%)1899(Top 16%)1899(Top 111%)
20K12.43 mi3.11 mi9297-5951544-2731544-27311312(Top 40%)2643(Top 22%)2643(Top 154%)
Half13.11 mi0.68 mi9441-1441623-791623-7912842(Top 45%)3421(Top 28%)3421(Top 199%)
25K15.53 mi2.42 mi9977-5361893-2701893-27012775(Top 45%)3546(Top 29%)3546(Top 206%)
30K18.64 mi3.11 mi10817-8402372-4792372-47914241(Top 50%)4500(Top 37%)4500(Top 262%)
20M20.00 mi1.36 mi11187-3702604-2322604-23215631(Top 55%)5375(Top 44%)5375(Top 313%)
21M21.00 mi1.00 mi12264-10773214-6103214-61022526(Top 79%)9252(Top 76%)9252(Top 539%)
35K21.75 mi0.75 mi12273-93245-313245-3113319(Top 47%)4318(Top 35%)4318(Top 251%)
23M23.00 mi1.25 mi12464-1913386-1413386-14115249(Top 54%)5459(Top 45%)5459(Top 318%)
24M24.00 mi1.00 mi12579-1153462-763462-7614947(Top 53%)5342(Top 44%)5342(Top 311%)
40K24.85 mi0.85 mi12725-1463577-1153577-11516229(Top 57%)6161(Top 50%)6161(Top 359%)
25.2M25.20 mi0.35 mi12803-783636-593636-5916395(Top 58%)6256(Top 51%)6256(Top 364%)
Finish26.22 mi1.02 mi13062-2593795-1593795-15917952(Top 63%)7046(Top 58%)7046(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10020

Females

1899

F40-44

1899

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8580

Females

1214

F40-44

1214

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10020

Females

1899

F40-44

1899

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11312

Females

2643

F40-44

2643

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12842

Females

3421

F40-44

3421

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12775

Females

3546

F40-44

3546

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14241

Females

4500

F40-44

4500

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

15631

Females

5375

F40-44

5375

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22526

Females

9252

F40-44

9252

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13319

Females

4318

F40-44

4318

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15249

Females

5459

F40-44

5459

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14947

Females

5342

F40-44

5342

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16229

Females

6161

F40-44

6161

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16395

Females

6256

F40-44

6256

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

17952

Females

7046

F40-44

7046

Passing Analysis

Category:
Athletes Passed
612
Passed By
5951
Net Change
-5341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7721
5K → 10K82504-422#7721#8143
10K → 15K38597-559#8143#8702
15K → 20K58653-595#8702#9297
20K → Half6150-144#9297#9441
Half → 25K53589-536#9441#9977
25K → 30K73911-840#9977#10817
30K → 20M47417-370#10817#11187
20M → 21M41081-1077#11187#12264
21M → 35K5968-9#12264#12273
35K → 23M66257-191#12273#12464
23M → 24M47162-115#12464#12579
24M → 40K44190-146#12579#12725
40K → 25.2M1391-78#12725#12803
25.2M → Finish22281-259#12803#13062
TOTALS6125951-5341
📊

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