Thessaly Nicolaysen

Bib: 13485 F US

0:00

0:00

/ mi

Be the first to cheer!

Overall

#0 / 59786

Gender (Female)

#0 / 26115

Top 39%

Division (F18-39)

#0 / 14744

Top 41%

Race Day Weather

56°/46°F

overcast clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

131 ft elev

5K· 3.11 mi

8:40/mi

26:54

↑ 49 ft↓ 125 ft0.5% grade

54 ft elev

10K· 6.21 mi

8:38/mi

53:41

↑ 50 ft↓ 81 ft0.2% grade

24 ft elev

15K· 9.32 mi

9:43/mi

1:23:52

↑ 44 ft↓ 51 ft

18 ft elev

20K· 12.43 mi

9:33/mi

1:53:31

↑ 67 ft↓ 40 ft0.2% grade

45 ft elev

Half· 13.10 mi

9:30/mi

1:59:53

↓ 27 ft0.6% grade

25 ft elev

25K· 15.53 mi

10:24/mi

2:25:11

↑ 50 ft↓ 63 ft0.1% grade

12 ft elev

30K· 18.64 mi

11:55/mi

3:02:12

↑ 69 ft↓ 46 ft0.1% grade

35 ft elev

35K· 21.75 mi

13:54/mi

3:45:23

↑ 87 ft↓ 88 ft

34 ft elev

40K· 24.85 mi

10:58/mi

4:19:26

↑ 58 ft↓ 75 ft0.1% grade

17 ft elev

Finish· 26.22 mi

9:58/mi

4:33:01

↑ 14 ft↓ 18 ft

19 ft elev

Course Elevation

503ft

Total climb

166ft

Range

6 to 172 ft

×14

613ft

Total descent

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via Half

1:59:539:10 /mi⚡ faster

2nd Half

2:33:0811:41 /mi+27.7%

Positive split — 27.7% slower in the second half

Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:54	8:40	3.11 mi	26:54	8:40	-
10K	53:41	8:39	3.10 mi	26:47	8:38	-0:02
15K	1:23:52	9:00	3.11 mi	30:11	9:43	+1:05
20K	1:53:31	9:09	3.11 mi	29:39	9:33	-0:10
Half(13.10 mi)	1:59:53	9:10	0.67 mi	6:22	9:30	-0:03
25K	2:25:11	9:21	2.43 mi	25:18	10:24	+0:54
30K	3:02:12	9:47	3.11 mi	37:01	11:55	+1:31
35K	3:45:23	10:22	3.11 mi	43:11	13:54	+1:59
40K	4:19:26	10:27	3.10 mi	34:03	10:58	-2:56
Finish(26.22 mi)	4:33:01	10:26	1.37 mi	13:35	9:58	-1:00

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:38 /mi

Average Pace

10:25 /mi

Slowest Pace

13:54 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

53:41

20% of race

Time at Steady Pace

1:45:05

38% of race

Time at Slower Pace

1:54:15

42% of race

Average Pace: 10:25 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Females	F18-39	Seg. Overall	Seg. Females	Seg. F18-39
5K	3.11 mi	21896	5854	5854	30173	8903	8903
10K	3.10 mi	20661+1235	5439+415	5439+415	19725	5129	5129
15K	3.11 mi	23878-3217	6544-1105	6544-1105	30173	8903	8903
20K	3.11 mi	25580-1702	7172-628	7172-628	29481	8710	8710
Half(13.10 mi)	0.67 mi	25587-7	7175-3	7175-3	26143	7510	7510
25K	2.43 mi	27175-1588	7816-641	7816-641	32429	10454	10454
30K	3.11 mi	29620-2445	8970-1154	8970-1154	38529	13987	13987
35K	3.11 mi	32825-3205	10635-1665	10635-1665	45638	18261	18261
40K	3.10 mi	31969+856	10494+141	10494+141	27660	9945	9945
Finish(26.22 mi)	1.37 mi	31364+605	10288+206	10288+206	22759	7752	7752

40K→Finish

24.9 - 26.2 mi

Top 38%

+14ft-18ft

Overall

22759

Females

7752

F18-39

7752

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#21896
5K → 10K	1341369+1235	#21896 → #20661
10K → 15K	325437-3217	#20661 → #23878
15K → 20K	1827125-1702	#23878 → #25580
20K → Half	122115-7	#25580 → #25587
Half → 25K	1739151-1588	#25587 → #27175
25K → 30K	2568123-2445	#27175 → #29620
30K → 35K	329792-3205	#29620 → #32825
35K → 40K	1451001+856	#32825 → #31969
40K → Finish	17622+605	#31969 → #31364
TOTALS	131033635-9468	#21896 → #31364

Passing Visualized

Category:

Passing Circle

Position Flow

Race Lanes

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Quick Links

Find another athlete or browse the full results

Search for another athlete

All Results

Browse complete race results with filtering

→

Results processed 4 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

London Marathon Events

Race timed by

Mika Timing