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BOSTON MARATHON 2025

Catrina Denker

Bib: 15785 F CH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F55-59)
#0 / 994
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:20/mi
22:48
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:22/mi
45:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:27/mi
1:08:51
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:30/mi
1:32:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:18/mi
1:37:08
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:21/mi
1:54:57
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:38/mi
2:18:41
↑ 181↓ 1480.2%
138 ft elev
20M
7:41/mi
2:29:08
↑ 64↓ 500.2%
148 ft elev
21M
8:17/mi
2:37:25
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:40/mi
2:43:09
↑ 17↓ 861.7%
156 ft elev
23M
8:01/mi
2:53:11
↑ 23↓ 630.6%
116 ft elev
24M
7:45/mi
3:00:56
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:44/mi
3:07:33
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:10:29
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:43/mi
3:18:21
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:41:13
Pace7:43 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4322:487:2022:48
7:20
-
10K
6.21 mi11:17:3645:417:2122:53
7:22
+0:02
15K
9.32 mi11:40:461:08:517:2323:10
7:27
+0:05
20K
12.43 mi12:04:041:32:097:2523:18
7:30
+0:03
Half
13.11 mi12:09:031:37:087:254:59
7:18
-0:12
25K
15.53 mi12:26:521:54:577:2417:49
7:21
+0:03
30K
18.64 mi12:50:362:18:417:2623:44
7:38
+0:17
20M
20.00 mi13:01:032:29:087:2710:27
7:41
+0:03
21M
21.00 mi13:09:202:37:257:308:17
8:17
+0:36
35K
21.75 mi13:15:042:43:097:305:44
7:40
-0:37
23M
23.00 mi13:25:062:53:117:3210:02
8:01
+0:21
24M
24.00 mi13:32:513:00:567:327:45
7:45
-0:16
40K
24.85 mi13:39:283:07:337:336:37
7:44
-0:01
25.2M
25.20 mi13:42:243:10:297:342:56
8:30
+0:46
Finish
26.22 mi13:50:163:18:217:347:52
7:43
-0:47

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

7:18 /mi

Average Pace

7:34 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:08

94% of race

Time at Steady Pace

11:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:54:4322:487:2022:48
7:20
#10765
10K
6.21 mi11:17:3645:417:2122:53
7:22
#10796
15K
9.32 mi11:40:461:08:517:2323:10
7:27
#10945
20K
12.43 mi12:04:041:32:097:2523:18
7:30
#10886
Half
13.11 mi12:09:031:37:087:254:59
7:18
#10836
25K
15.53 mi12:26:521:54:577:2417:49
7:21
#10453
30K
18.64 mi12:50:362:18:417:2623:44
7:38
#10050
20M
20.00 mi13:01:032:29:087:2710:27
7:41
#9852
21M
21.00 mi13:09:202:37:257:308:17
8:17
#9770
35K
21.75 mi13:15:042:43:097:305:44
7:40
#9741
23M
23.00 mi13:25:062:53:117:3210:02
8:01
#9754
24M
24.00 mi13:32:513:00:567:327:45
7:45
#9719
40K
24.85 mi13:39:283:07:337:336:37
7:44
#9622
25.2M
25.20 mi13:42:243:10:297:342:56
8:30
#9597
Finish
26.22 mi13:50:163:18:217:347:52
7:43
#9628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi107652171217111389(Top 40%)2572(Top 21%)2572(Top 259%)
10K6.21 mi3.10 mi10796-312203-322203-3210887(Top 38%)2247(Top 18%)2247(Top 226%)
15K9.32 mi3.11 mi10945-1492290-872290-8711389(Top 40%)2572(Top 21%)2572(Top 259%)
20K12.43 mi3.11 mi10886+592280+102280+1010776(Top 38%)2354(Top 19%)2354(Top 237%)
Half13.11 mi0.68 mi10836+502258+222258+2210102(Top 36%)2008(Top 16%)2008(Top 202%)
25K15.53 mi2.42 mi10453+3832109+1492109+1498749(Top 31%)1533(Top 13%)1533(Top 154%)
30K18.64 mi3.11 mi10050+4031977+1321977+1328759(Top 31%)1729(Top 14%)1729(Top 174%)
20M20.00 mi1.36 mi9852+1981920+571920+578312(Top 29%)1676(Top 14%)1676(Top 169%)
21M21.00 mi1.00 mi9770+821914+61914+69144(Top 32%)2224(Top 18%)2224(Top 224%)
35K21.75 mi0.75 mi9741+291926-121926-129818(Top 35%)2510(Top 21%)2510(Top 253%)
23M23.00 mi1.25 mi9754-131984-581984-5810130(Top 36%)2797(Top 23%)2797(Top 281%)
24M24.00 mi1.00 mi9719+352003-192003-199471(Top 33%)2548(Top 21%)2548(Top 256%)
40K24.85 mi0.85 mi9622+971991+121991+128386(Top 30%)2169(Top 18%)2169(Top 218%)
25.2M25.20 mi0.35 mi9597+252000-92000-98872(Top 31%)2456(Top 20%)2456(Top 247%)
Finish26.22 mi1.02 mi9628-312059-592059-5910862(Top 38%)3383(Top 28%)3383(Top 340%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21story building
+97ft-345ft

Overall

11389

Females

2572

F55-59

2572

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10887

Females

2247

F55-59

2247

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+67ft-78ft

Overall

11389

Females

2572

F55-59

2572

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10776

Females

2354

F55-59

2354

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10102

Females

2008

F55-59

2008

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8749

Females

1533

F55-59

1533

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8759

Females

1729

F55-59

1729

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

8312

Females

1676

F55-59

1676

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

9144

Females

2224

F55-59

2224

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9818

Females

2510

F55-59

2510

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10130

Females

2797

F55-59

2797

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9471

Females

2548

F55-59

2548

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8386

Females

2169

F55-59

2169

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8872

Females

2456

F55-59

2456

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10862

Females

3383

F55-59

3383

Passing Analysis

Category:
Athletes Passed
2326
Passed By
1189
Net Change
+1137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10765
5K → 10K232263-31#10765#10796
10K → 15K125274-149#10796#10945
15K → 20K197138+59#10945#10886
20K → Half6010+50#10886#10836
Half → 25K39512+383#10836#10453
25K → 30K45451+403#10453#10050
30K → 20M22022+198#10050#9852
20M → 21M13250+82#9852#9770
21M → 35K7647+29#9770#9741
35K → 23M106119-13#9741#9754
23M → 24M9762+35#9754#9719
24M → 40K12225+97#9719#9622
40K → 25.2M4722+25#9622#9597
25.2M → Finish6394-31#9597#9628
TOTALS23261189+1137
📊

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