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BOSTON MARATHON 2025

Guri Sogn-Larssen

Bib: 22071•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F55-59)
#0 / 994
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:05
Rank: #17187
Start → 5K
25:05 | 8:04/mi
10K· 6.21 mi
49:57
Rank: #16828 (+359)
5K → 10K
24:52 | 8:00/mi
15K· 9.32 mi
1:15:09
Rank: #16803 (+25)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:40:52
Rank: #16808 (-5)
15K → 20K
25:43 | 8:17/mi
Half· 13.11 mi
1:46:26
Rank: #16811 (-3)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:55
Rank: #16779 (+32)
Half → 25K
20:29 | 8:27/mi
30K· 18.64 mi
2:35:13
Rank: #16998 (-219)
25K → 30K
28:18 | 9:07/mi
20M
2:48:08
Rank: #17176 (-178)
30K → 20M
12:55 | 9:30/mi
21M
2:58:25
Rank: #17339 (-163)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:04:54
Rank: #17288 (+51)
21M → 35K
6:29 | 8:40/mi
23M
3:15:55
Rank: #17137 (+151)
35K → 23M
11:01 | 8:48/mi
24M
3:24:37
Rank: #17070 (+67)
23M → 24M
8:42 | 8:42/mi
40K· 24.85 mi
3:32:17
Rank: #17031 (+39)
24M → 40K
7:40 | 8:58/mi
25.2M
3:35:46
Rank: #17036 (-5)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:44:31
Rank: #17015 (+21)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:26
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:58:05
Pace9:00 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4025:058:0425:05
8:04
-
10K
6.21 mi11:45:3249:578:0224:52
8:00
-0:04
15K
9.32 mi12:10:441:15:098:0425:12
8:07
+0:07
20K
12.43 mi12:36:271:40:528:0725:43
8:17
+0:10
Half
13.11 mi12:42:011:46:268:075:34
8:10
-0:07
25K
15.53 mi13:02:302:06:558:1020:29
8:27
+0:17
30K
18.64 mi13:30:482:35:138:2028:18
9:07
+0:40
20M
20.00 mi13:43:432:48:088:2412:55
9:30
+0:23
21M
21.00 mi13:54:002:58:258:3010:17
10:17
+0:47
35K
21.75 mi14:00:293:04:548:306:29
8:40
-1:37
23M
23.00 mi14:11:303:15:558:3111:01
8:48
+0:08
24M
24.00 mi14:20:123:24:378:328:42
8:42
-0:06
40K
24.85 mi14:27:523:32:178:327:40
8:58
+0:16
25.2M
25.20 mi14:31:213:35:468:343:29
10:06
+1:08
Finish
26.22 mi14:40:063:44:318:348:45
8:35
-1:31

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

8:00 /mi

Average Pace

8:34 /mi

Slowest Pace

10:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:26

47% of race

Time at Steady Pace

1:03:06

28% of race

Time at Slower Pace

54:59

24% of race

Average Pace: 8:34 /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 mi11:20:4025:058:0425:05
8:04
#17187
10K
6.21 mi11:45:3249:578:0224:52
8:00
#16828
15K
9.32 mi12:10:441:15:098:0425:12
8:07
#16803
20K
12.43 mi12:36:271:40:528:0725:43
8:17
#16808
Half
13.11 mi12:42:011:46:268:075:34
8:10
#16811
25K
15.53 mi13:02:302:06:558:1020:29
8:27
#16779
30K
18.64 mi13:30:482:35:138:2028:18
9:07
#16998
20M
20.00 mi13:43:432:48:088:2412:55
9:30
#17176
21M
21.00 mi13:54:002:58:258:3010:17
10:17
#17339
35K
21.75 mi14:00:293:04:548:306:29
8:40
#17288
23M
23.00 mi14:11:303:15:558:3111:01
8:48
#17137
24M
24.00 mi14:20:123:24:378:328:42
8:42
#17070
40K
24.85 mi14:27:523:32:178:327:40
8:58
#17031
25.2M
25.20 mi14:31:213:35:468:343:29
10:06
#17036
Finish
26.22 mi14:40:063:44:318:348:45
8:35
#17015
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171875848584816828(Top 59%)5631(Top 46%)5631(Top 566%)
10K6.21 mi3.10 mi16828+3595628+2205628+22016535(Top 58%)5445(Top 45%)5445(Top 548%)
15K9.32 mi3.11 mi16803+255609+195609+1916828(Top 59%)5631(Top 46%)5631(Top 566%)
20K12.43 mi3.11 mi16808-55624-155624-1516815(Top 59%)5676(Top 46%)5676(Top 571%)
Half13.11 mi0.68 mi16811-35614+105614+1017079(Top 60%)5817(Top 48%)5817(Top 585%)
25K15.53 mi2.42 mi16779+325635-215635-2116874(Top 59%)5785(Top 47%)5785(Top 582%)
30K18.64 mi3.11 mi16998-2195815-1805815-18018228(Top 64%)6702(Top 55%)6702(Top 674%)
20M20.00 mi1.36 mi17176-1785949-1345949-13419202(Top 68%)7367(Top 60%)7367(Top 741%)
21M21.00 mi1.00 mi17339-1636081-1326081-13219304(Top 68%)7491(Top 61%)7491(Top 754%)
35K21.75 mi0.75 mi17288+516072+96072+916508(Top 58%)6067(Top 50%)6067(Top 610%)
23M23.00 mi1.25 mi17137+1516016+566016+5615131(Top 53%)5410(Top 44%)5410(Top 544%)
24M24.00 mi1.00 mi17070+676000+166000+1615772(Top 56%)5790(Top 47%)5790(Top 582%)
40K24.85 mi0.85 mi17031+396004-46004-416128(Top 57%)6109(Top 50%)6109(Top 615%)
25.2M25.20 mi0.35 mi17036-56024-206024-2017495(Top 62%)6849(Top 56%)6849(Top 689%)
Finish26.22 mi1.02 mi17015+216028-46028-416784(Top 59%)6445(Top 53%)6445(Top 648%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16828

Females

5631

F55-59

5631

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16535

Females

5445

F55-59

5445

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16828

Females

5631

F55-59

5631

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16815

Females

5676

F55-59

5676

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17079

Females

5817

F55-59

5817

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16874

Females

5785

F55-59

5785

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18228

Females

6702

F55-59

6702

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19202

Females

7367

F55-59

7367

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19304

Females

7491

F55-59

7491

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16508

Females

6067

F55-59

6067

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15131

Females

5410

F55-59

5410

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15772

Females

5790

F55-59

5790

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16128

Females

6109

F55-59

6109

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17495

Females

6849

F55-59

6849

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16784

Females

6445

F55-59

6445

Passing Analysis

Category:
Athletes Passed
1991
Passed By
1819
Net Change
+172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17187
5K → 10K512153+359#17187#16828
10K → 15K222197+25#16828#16803
15K → 20K192197-5#16803#16808
20K → Half3740-3#16808#16811
Half → 25K170138+32#16811#16779
25K → 30K158377-219#16779#16998
30K → 20M55233-178#16998#17176
20M → 21M57220-163#17176#17339
21M → 35K9342+51#17339#17288
35K → 23M18332+151#17288#17137
23M → 24M11952+67#17137#17070
24M → 40K8344+39#17070#17031
40K → 25.2M3338-5#17031#17036
25.2M → Finish7756+21#17036#17015
TOTALS19911819+172
📊

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