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BOSTON MARATHON 2025

Freja Sondergaard

Bib: 14324 F DK

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 22%
Division (F18-39)
#0 / 5469
Top 39%
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
7:34/mi
23:30
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:32/mi
46:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:31/mi
1:10:15
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:39/mi
1:34:00
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:36/mi
1:39:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:42/mi
1:57:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:58/mi
2:22:36
↑ 181↓ 1480.2%
138 ft elev
20M
7:59/mi
2:33:27
↑ 64↓ 500.2%
148 ft elev
21M
8:22/mi
2:41:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:46/mi
2:47:38
↑ 17↓ 861.7%
156 ft elev
23M
8:00/mi
2:57:39
↑ 23↓ 630.6%
116 ft elev
24M
7:49/mi
3:05:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:50/mi
3:12:10
↓ 200.3%
20 ft elev
25.2M
8:39/mi
3:15:09
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:36/mi
3:22:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:39:117:34 /mi⚡ faster
2nd Half
1:43:437:55 /mi+4.6%
Positive split — 4.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:307:343.11 mi23:30
7:34
-
10K
46:547:333.10 mi23:24
7:32
-0:02
15K
1:10:157:323.11 mi23:21
7:31
-0:01
20K
1:34:007:343.11 mi23:45
7:39
+0:08
Half(13.11 mi)
1:39:117:340.68 mi5:11
7:36
-0:03
25K
1:57:517:352.42 mi18:40
7:42
+0:06
30K
2:22:367:393.11 mi24:45
7:58
+0:16
20M
2:33:277:401.36 mi10:51
7:59
+0:01
21M
2:41:497:421.00 mi8:22
8:22
+0:23
35K
2:47:387:420.75 mi5:49
7:46
-0:36
23M
2:57:397:431.25 mi10:01
8:00
+0:14
24M
3:05:287:441.00 mi7:49
7:49
-0:11
40K
3:12:107:440.85 mi6:42
7:50
+0:01
25.2M
3:15:097:450.35 mi2:59
8:39
+0:49
Finish(26.22 mi)
3:22:547:451.02 mi7:45
7:36
-1:03
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:31 /mi

Average Pace

7:45 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:11:33

94% of race

Time at Steady Pace

11:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi12802320732071191028532853
10K3.10 mi12556+2463101+1063101+1061239930323032
15K3.11 mi12304+2523004+973004+971191028532853
20K3.11 mi12198+1062978+262978+261192129562956
Half(13.11 mi)0.68 mi12211-132996-182996-181257232563256
25K2.42 mi12063+1482950+462950+461154328722872
30K3.11 mi11811+2522904+462904+461115028602860
20M1.36 mi11659+1522854+502854+501036726182618
21M1.00 mi11520+1392825+292825+29967524622462
35K0.75 mi11469+512823+22823+21065829292929
23M1.25 mi11332+1372794+292794+291005527672767
24M1.00 mi11226+1062776+182776+18996727972797
40K0.85 mi11115+1112749+272749+27906924902490
25.2M0.35 mi11070+452744+52744+5977429002900
Finish(26.22 mi)1.02 mi11002+682743+12743+11000629882988

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11910

Females

2853

F18-39

2853

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12399

Females

3032

F18-39

3032

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11910

Females

2853

F18-39

2853

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11921

Females

2956

F18-39

2956

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12572

Females

3256

F18-39

3256

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11543

Females

2872

F18-39

2872

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11150

Females

2860

F18-39

2860

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10367

Females

2618

F18-39

2618

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9675

Females

2462

F18-39

2462

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10658

Females

2929

F18-39

2929

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10055

Females

2767

F18-39

2767

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9967

Females

2797

F18-39

2797

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9069

Females

2490

F18-39

2490

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9774

Females

2900

F18-39

2900

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

10006

Females

2988

F18-39

2988

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#12802
5K → 10K
179425+246
#12802 → #12556
10K → 15K
82334+252
#12556 → #12304
15K → 20K
124230+106
#12304 → #12198
20K → Half
3926-13
#12198 → #12211
Half → 25K
80228+148
#12211 → #12063
25K → 30K
106358+252
#12063 → #11811
30K → 20M
32184+152
#11811 → #11659
20M → 21M
41180+139
#11659 → #11520
21M → 35K
3283+51
#11520 → #11469
35K → 23M
40177+137
#11469 → #11332
23M → 24M
33139+106
#11332 → #11226
24M → 40K
19130+111
#11226 → #11115
40K → 25.2M
1459+45
#11115 → #11070
25.2M → Finish
34102+68
#11070 → #11002
TOTALS
8552655+1800
#12802 → #11002

Passing Visualized

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