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BOSTON MARATHON 2025

Kathrin Koczessa-Drößler

Bib: 23506•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:33/mi
26:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:42/mi
53:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:48
↑ 67↓ 78
20K· 12.43 mi
8:53/mi
1:48:23
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:54:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:09/mi
2:16:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:47:14
↑ 181↓ 1480.2%
20M
9:37/mi
3:00:18
↑ 64↓ 500.2%
21M
12:38/mi
3:12:56
↑ 106↓ 241.6%
35K· 21.75 mi
9:48/mi
3:20:16
↑ 17↓ 861.7%
23M
9:55/mi
3:32:41
↑ 23↓ 630.6%
24M
11:06/mi
3:43:47
↓ 821.3%
40K· 24.85 mi
10:49/mi
3:53:02
↓ 200.3%
25.2M
11:48/mi
3:57:06
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
4:07:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:27
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:13:12
Pace10:10 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0926:338:3326:33
8:33
-
10K
6.21 mi11:53:1053:348:3727:01
8:42
+0:09
15K
9.32 mi12:20:241:20:488:4027:14
8:46
+0:04
20K
12.43 mi12:47:591:48:238:4327:35
8:53
+0:07
Half
13.11 mi12:54:031:54:278:446:04
8:54
+0:01
25K
15.53 mi13:16:142:16:388:4822:11
9:09
+0:15
30K
18.64 mi13:46:502:47:148:5830:36
9:51
+0:42
20M
20.00 mi13:59:543:00:189:0113:04
9:37
-0:14
21M
21.00 mi14:12:323:12:569:1112:38
12:38
+3:01
35K
21.75 mi14:19:523:20:169:137:20
9:48
-2:50
23M
23.00 mi14:32:173:32:419:1512:25
9:55
+0:07
24M
24.00 mi14:43:233:43:479:1911:06
11:06
+1:11
40K
24.85 mi14:52:383:53:029:239:15
10:49
-0:17
25.2M
25.20 mi14:56:423:57:069:254:04
11:48
+0:59
Finish
26.22 mi15:07:154:07:399:2710:33
10:21
-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

8:33 /mi

Average Pace

9:27 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:38

55% of race

Time at Steady Pace

1:13:58

30% of race

Time at Slower Pace

37:03

15% of race

Average Pace: 9:27 /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 mi11:26:0926:338:3326:33
8:33
#20182
10K
6.21 mi11:53:1053:348:3727:01
8:42
#20509
15K
9.32 mi12:20:241:20:488:4027:14
8:46
#20581
20K
12.43 mi12:47:591:48:238:4327:35
8:53
#20540
Half
13.11 mi12:54:031:54:278:446:04
8:54
#20579
25K
15.53 mi13:16:142:16:388:4822:11
9:09
#20609
30K
18.64 mi13:46:502:47:148:5830:36
9:51
#20735
20M
20.00 mi13:59:543:00:189:0113:04
9:37
#20626
21M
21.00 mi14:12:323:12:569:1112:38
12:38
#21067
35K
21.75 mi14:19:523:20:169:137:20
9:48
#21074
23M
23.00 mi14:32:173:32:419:1512:25
9:55
#21017
24M
24.00 mi14:43:233:43:479:1911:06
11:06
#21225
40K
24.85 mi14:52:383:53:029:239:15
10:49
#21289
25.2M
25.20 mi14:56:423:57:069:254:04
11:48
#21323
Finish
26.22 mi15:07:154:07:399:2710:33
10:21
#21423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi201827607760720860(Top 73%)7924(Top 65%)7924(Top 437%)
10K6.21 mi3.10 mi20509-3277778-1717778-17120856(Top 73%)7946(Top 65%)7946(Top 438%)
15K9.32 mi3.11 mi20581-727798-207798-2020860(Top 73%)7924(Top 65%)7924(Top 437%)
20K12.43 mi3.11 mi20540+417784+147784+1420372(Top 72%)7696(Top 63%)7696(Top 424%)
Half13.11 mi0.68 mi20579-397805-217805-2121399(Top 75%)8260(Top 68%)8260(Top 456%)
25K15.53 mi2.42 mi20609-307829-247829-2420571(Top 72%)7857(Top 64%)7857(Top 433%)
30K18.64 mi3.11 mi20735-1267949-1207949-12021160(Top 74%)8321(Top 68%)8321(Top 459%)
20M20.00 mi1.36 mi20626+1097905+447905+4419688(Top 69%)7626(Top 62%)7626(Top 421%)
21M21.00 mi1.00 mi21067-4418161-2568161-25624578(Top 87%)10338(Top 85%)10338(Top 570%)
35K21.75 mi0.75 mi21074-78176-158176-1521348(Top 75%)8694(Top 71%)8694(Top 480%)
23M23.00 mi1.25 mi21017+578169+78169+720248(Top 71%)8175(Top 67%)8175(Top 451%)
24M24.00 mi1.00 mi21225-2088304-1358304-13524193(Top 85%)10214(Top 84%)10214(Top 563%)
40K24.85 mi0.85 mi21289-648359-558359-5522726(Top 80%)9566(Top 78%)9566(Top 528%)
25.2M25.20 mi0.35 mi21323-348387-288387-2822784(Top 80%)9552(Top 78%)9552(Top 527%)
Finish26.22 mi1.02 mi21423-1008459-728459-7223928(Top 84%)10131(Top 83%)10131(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20860

Females

7924

F45-49

7924

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20856

Females

7946

F45-49

7946

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20860

Females

7924

F45-49

7924

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20372

Females

7696

F45-49

7696

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21399

Females

8260

F45-49

8260

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20571

Females

7857

F45-49

7857

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

21160

Females

8321

F45-49

8321

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19688

Females

7626

F45-49

7626

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24578

Females

10338

F45-49

10338

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21348

Females

8694

F45-49

8694

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20248

Females

8175

F45-49

8175

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

24193

Females

10214

F45-49

10214

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22726

Females

9566

F45-49

9566

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22784

Females

9552

F45-49

9552

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23928

Females

10131

F45-49

10131

Passing Analysis

Category:
Athletes Passed
1286
Passed By
2527
Net Change
-1241
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20182
5K → 10K150477-327#20182#20509
10K → 15K171243-72#20509#20581
15K → 20K201160+41#20581#20540
20K → Half2463-39#20540#20579
Half → 25K141171-30#20579#20609
25K → 30K179305-126#20609#20735
30K → 20M15647+109#20735#20626
20M → 21M18459-441#20626#21067
21M → 35K6067-7#21067#21074
35K → 23M10649+57#21074#21017
23M → 24M14222-208#21017#21225
24M → 40K2993-64#21225#21289
40K → 25.2M1852-34#21289#21323
25.2M → Finish19119-100#21323#21423
TOTALS12862527-1241
📊

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